Leor Barack

Two approaches for the gravitational self force in black hole spacetime: Comparison of numerical results (2008)

Sago, Norichika, Barack, Leor, Detweiler, Steven

Recently, two independent calculations have been presented of finite-mass ("self-force") effects on the orbit of a point mass around a Schwarzschild black hole. While both computations are based on...

Frequency-domain calculation of the self force: the high-frequency problem and its resolution (2008)

Barack, Leor, Ori, Amos, Sago, Norichika

The mode-sum method provides a practical means for calculating the self force acting on a small particle orbiting a larger black hole. In this method, one first computes the spherical-harmonic...

A constrained metropolis-hastings search for EMRIs in the mock LISA data challenge 1B (2008)

Gair, Jonathan, Porter, Edward, Babak, Stanislav, Barack, Leor

We describe a search for the EMRI sources in the Round 1B Mock LISA Data Challenge data sets. The search algorithm is a Monte-Carlo search based on the Metropolis-Hastings algorithm, but also...

The Mock LISA Data Challenges: from Challenge 1B to Challenge 3 (2008)

Babak, Stanislav, Baker, John G., Benacquista, Matthew J., Cornish, Neil J., Crowder, Jeff, Larson, Shane L., ...

The Mock LISA Data Challenges are a programme to demonstrate and encourage the development of LISA data-analysis capabilities, tools and techniques. At the time of this workshop, three rounds of...

A Constrained Metropolis-Hastings Search for EMRIs in the Mock LISA Data Challenge 1B (2008)

Gair, Jonathan R., Porter, Edward K., Babak, Stanislav, Barack, Leor

We describe a search for the extreme-mass-ratio inspiral sources in the Round 1B Mock LISA Data Challenge data sets. The search algorithm is a Monte-Carlo search based on the Metropolis-Hastings...

Report on the second Mock LISA data challenge (2008)

Babak, Stanislav, Baker, John G., Benacquista, Matthew J., Cornish, Neil J., Crowder, Jeff, Cutler, Curt, ...

The Mock LISA data challenges are a program to demonstrate LISA data-analysis capabilities and to encourage their development. Each round of challenges consists of several data sets containing...

Report on the second Mock LISA Data Challenge (2008)

Babak, S., Baker, J.G., Benaquista, M.J., Cornish, J.C., Crowder, J., Cutler, C., ...

The Mock LISA data challenges are a program to demonstrate LISA data-analysis capabilities and to encourage their development. Each round of challenges consists of several data sets containing...

Report on the second Mock LISA Data Challenge (2007)

Babak, Stanislav, Baker, John G., Benacquista, Matthew J., Cornish, Neil J., Crowder, Jeff, Cutler, Curt, ...

The Mock LISA Data Challenges are a program to demonstrate LISA data-analysis capabilities and to encourage their development. Each round of challenges consists of several data sets containing...

m-Mode Regularization Scheme for the Self Force in Kerr Spacetime (2007)

Barack, Leor, Golbourn, Darren A., Sago, Norichika

We present a new, simple method for calculating the scalar, electromagnetic, and gravitational self forces acting on particles in orbit around a Kerr black hole. The standard ``mode-sum...

Scalar-field perturbations from a particle orbiting a black hole using numerical evolution in 2+1 dimensions (2007)

Barack, Leor, Golbourn, Darren A

We present a new technique for time-domain numerical evolution of the scalar field generated by a pointlike scalar charge orbiting a black hole. Time-domain evolution offers an efficient way for...

Gravitational self force on a particle in circular orbit around a Schwarzschild black hole (2007)

Barack, Leor, Sago, Norichika

We calculate the gravitational self force acting on a pointlike test particle of mass μ, set in a circular geodesic orbit around a Schwarzschild black hole. Our calculation is done in the Lorenz...

Using LISA EMRI sources to test off-Kerr deviations in the geometry of massive black holes (2007)

Barack, Leor, Cutler, Curt

Inspirals of stellar-mass compact objects (COs) into ~106M[sun] black holes are especially interesting sources of gravitational waves for the planned Laser Interferometer Space Antenna (LISA). The...

Gravitational self force on a particle in circular orbit around a Schwarzschild black hole (2007)

Barack, Leor, Sago, Norichika

We calculate the gravitational self force acting on a pointlike particle of mass $\mu$, set in a circular geodesic orbit around a Schwarzschild black hole. Our calculation is done in the Lorenz...

M-mode regularization scheme for the self force in Kerr Spacetime (2007)

Barack, Leor, Golbourn, Darren A., Sago, Norichika

We present a new, simple method for calculating the scalar, electromagnetic, and gravitational self forces acting on particles in orbit around a Kerr black hole. The standard ``mode-sum...

Using LISA EMRI sources to test off-Kerr deviations in the geometry of massive black holes (2006)

Barack, Leor, Cutler, Curt

Inspirals of stellar-mass compact objects into $\sim 10^6 M_{\odot}$ black holes are especially interesting sources of gravitational waves for LISA. We investigate whether the emitted waveforms can...

Perturbations of Schwarzschild black holes in the Lorenz gauge: Formulation and numerical implementation (2005)

Barack, Leor, Lousto, Carlos O.

We reformulate the theory of Schwarzschild black hole perturbations in terms of the metric perturbation in the Lorenz gauge. In this formulation, each tensor-harmonic mode of the perturbation is...

Confusion Noise from Extreme-Mass-Ratio Inspirals (2005)

Barack, Leor, Cutler, Curt

Captures of compact objects (COs) by massive black holes in galactic nuclei (aka ``extreme-mass-ratio inspirals'') will be an important source for LISA. However, a large fraction of captures will not...

Confusion noise from extreme-mass-ratio inspirals (2005)

Barack, Leor, Cutler, Curt

Captures of compact objects (COs) by massive black holes in galactic nuclei (aka ``extreme-mass-ratio inspirals'') will be an important source for LISA. However, a large fraction of captures will not...

Perturbations of Schwarzschild black holes in the Lorenz gauge: formulation and numerical implementation (2005)

Barack, Leor, Lousto, Carlos O.

We reformulate the theory of Schwarzschild black hole perturbations in terms of the metric perturbation in the Lorenz gauge. In this formulation, each tensor-harmonic mode of the perturbation is...

Event rate estimates for LISA extreme mass ratio capture sources (2004)

Gair, Jonathan R., Barack, Leor, Creighton, Teviet, Cutler, Curt, Larson, Shane L., Phinney, E. Sterl, ...

One of the most exciting prospects for the LISA gravitational wave observatory is the detection of gravitational radiation from the inspiral of a compact object into a supermassive black hole. The...

Confusion Noise from LISA Capture Sources (2004)

Barack, Leor, Cutler, Curt

Captures of compact objects (COs) by massive black holes (MBHs) in galactic nuclei will be an important source for LISA, the space-based gravitational-wave (GW) detector. However, a large fraction of...

Event rate estimates for LISA extreme mass ratio capture sources (2004)

Gair, Jonathan R, Barack, Leor, Creighton, Teviet, Cutler, Curt, Larson, Shane L, Phinney, E Sterl, ...

One of the most exciting prospects for the LISA gravitational wave observatory is the detection of gravitational radiation from the inspiral of a compact object into a supermassive black hole. The...

LISA Capture Sources: Approximate Waveforms, Signal-to-Noise Ratios, and Parameter Estimation Accuracy (2004)

Barack,Leor, Cutler,Curt

Captures of stellar-mass compact objects (COs) by massive (¡" 106M¡Ñ) black holes (MBHs) are potentially an important source for LISA, the proposed space-based gravitational-wave (GW) detector....

Event rate estimates for LISA extreme mass ratio capture sources (2004)

Gair, Jonathan R., Barack, Leor, Creighton, Teviet, Cutler, Curt, Larson, Shane L., Phinney, E. Sterl, ...

One of the most exciting prospects for the LISA gravitational wave observatory is the detection of gravitational radiation from the inspiral of a compact object into a supermassive black hole. The...

Confusion noise from LISA capture sources (2004)

Barack, Leor, Cutler, Curt

Captures of compact objects (COs) by massive black holes (MBHs) in galactic nuclei will be an important source for LISA, the space-based gravitational-wave (GW) detector. However, a large fraction of...

LISA capture sources: approximate waveforms, signal-to-noise ratios, and parameter estimation accuracy (2004)

Barack, Leor, Cutler, Curt

Captures of stellar-mass compact objects (COs) by massive ($\sim 10^6 M_\odot$) black holes (MBHs) are potentially an important source for LISA, the proposed space-based gravitational-wave (GW)...

Confusion Noise from LISA Capture Sources (2004)

Barack,Leor, Cutler,Curt

Captures of compact objects (COs) by massive black holes (MBHs) in galactic nuclei will be an important source for LISA, the space-based gravitational-wave (GW) detector. However, a large fraction of...

LISA Capture Sources: Approximate Waveforms, Signal-to-Noise Ratios, and Parameter Estimation Accuracy (2004)

Barack, Leor, Cutler, Curt

Captures of stellar-mass compact objects (COs) by massive (¡" 106M¡Ñ) black holes (MBHs) are potentially an important source for LISA, the proposed space-based gravitational-wave (GW) detector....

Confusion Noise from LISA Capture Sources (2004)

Barack, Leor, Cutler, Curt

Captures of compact objects (COs) by massive black holes (MBHs) in galactic nuclei will be an important source for LISA, the space-based gravitational-wave (GW) detector. However, a large fraction of...

LISA Capture Sources: Approximate Waveforms, Signal-to-Noise Ratios, and Parameter Estimation Accuracy (2003)

Barack, Leor, Cutler, Curt

Captures of stellar-mass compact objects (COs) by massive ($\sim 10^6 M_\odot$) black holes (MBHs) are potentially an important source for LISA, the proposed space-based gravitational-wave (GW)...

Gravitational self-force on a particle orbiting a Kerr black hole (2003)

Barack,Leor, Ori,Amos

We present a practical method for calculating the gravitational self-force, as well as the electromagnetic and scalar self forces, for a particle in a generic orbit around a Kerr black hole. In...

Regularization parameters for the self force in Schwarzschild spacetime: 2. gravitational and electromagnetic cases (2003)

Barack,Leor, Ori,Amos

We obtain all ''''regularization parameters'' (RP) needed for calculating the gravitational and electromagnetic self forces for an arbitrary geodesic orbit around a Schwarzschild black hole. These RP...

Regularization parameters for the self force in Schwarzschild spacetime: II. gravitational and electromagnetic cases (2003)

Barack, Leor, Ori, Amos

We obtain all "regularization parameters" (RPs) needed for calculating the gravitational and electromagnetic self-forces for an arbitrary geodesic orbit around a Schwarzschild black hole. These RP...

Gravitational self-force on a particle orbiting a Kerr black hole (2003)

Barack, Leor, Ori, Amos

We present a practical method for calculating the gravitational self-force, as well as the electromagnetic and scalar self-forces, for a particle in a generic orbit around a Kerr black hole. In...

Regularization parameters for the self force in Schwarzschild spacetime: 2. gravitational and electromagnetic cases (2003)

Barack, Leor, Ori, Amos

We obtain all ''''regularization parameters'' (RP) needed for calculating the gravitational and electromagnetic self forces for an arbitrary geodesic orbit around a Schwarzschild black hole. These RP...

Gravitational self-force on a particle orbiting a Kerr black hole (2003)

Barack, Leor, Ori, Amos

We present a practical method for calculating the gravitational self-force, as well as the electromagnetic and scalar self forces, for a particle in a generic orbit around a Kerr black hole. In...

Gravitational self-force on a particle orbiting a Kerr black hole (2002)

Barack, Leor, Ori, Amos

We present a practical method for calculating the gravitational self-force, as well as the electromagnetic and scalar self forces, for a particle in a generic orbit around a Kerr black hole. In...

Regularization parameters for the self force in Schwarzschild spacetime: II. gravitational and electromagnetic cases (2002)

Barack, Leor, Ori, Amos

We obtain all ``regularization parameters'' (RP) needed for calculating the gravitational and electromagnetic self forces for an arbitrary geodesic orbit around a Schwarzschild black hole. These RP...

Regularization parameters for the self force in Schwarzschild spacetime: I. scalar case (2002)

Barack, Leor, Ori, Amos

We derive the explicit values of all regularization parameters (RP) for a scalar particle in an arbitrary geodesic orbit around a Schwarzschild black hole. These RP are required within the previously...

Calculating the gravitational self-force in Schwarzschild spacetime (2002)

Barack, Leor, Mino, Yasushi, Nakano, Hiroyuki, Ori, Amos, Sasaki, Misao

We present a practical method for calculating the local gravitational self-force (often called “radiation-reaction force”) for a pointlike particle orbiting a Schwarzschild black hole. This is an...

Computing the gravitational self-force on a compact object plunging into a Schwarzschild black hole (2002)

Barack, Leor, Lousto, Carlos O.

We compute the gravitational self-force (or “radiation reaction” force) acting on a particle falling radially into a Schwarzschild black hole. Our calculation is based on the “mode-sum”...

Regularization parameters for the self-force in Schwarzschild spacetime: scalar case (2002)

Barack, Leor, Ori, Amos

We derive the explicit values of all regularization parameters (RP) for a scalar particle in an arbitrary geodesic orbit around a Schwarzschild black hole. These RP are required within the previously...

Calculating the gravitational self force in Schwarzschild spacetime (2002)

Barack,Leor, Mino,Yasushi, Nakano,Hiroyuki, Ori,Amos, Sasaki,Misao

We present a practical method for calculating the local gravitational self-force (often called "radiation-reaction force") for a pointlike particle orbiting a Schwarzschild black hole. This is an...

Regularization parameters for the self force in Schwarzschild spacetime: 1. scalar case (2002)

Barack,Leor, Ori,Amos

We derive the explicit values of all regularization parameters (RP) for a scalar particle in an arbitrary geodesic orbit around a Schwarzschild black hole. These RP are required within the previously...

Computing the gravitational self-force on a compact object plunging into a Schwarzschild black hole (2002)

Barack,Leor, Lousto,Carlos O.

We compute the gravitational self-force (or "radiation reaction" force) acting on a particle falling radially into a Schwarzschild black hole. Our calculation is based on the "mode-sum" method, in...

Calculating the gravitational self force in Schwarzschild spacetime (2002)

Barack, Leor, Mino, Yasushi, Nakano, Hiroyuki, Ori, Amos, Sasaki, Misao

We present a practical method for calculating the local gravitational self-force (often called "radiation-reaction force") for a pointlike particle orbiting a Schwarzschild black hole. This is an...

Regularization parameters for the self force in Schwarzschild spacetime: 1. scalar case (2002)

Barack, Leor, Ori, Amos

We derive the explicit values of all regularization parameters (RP) for a scalar particle in an arbitrary geodesic orbit around a Schwarzschild black hole. These RP are required within the previously...

Computing the gravitational self-force on a compact object plunging into a Schwarzschild black hole (2002)

Barack, Leor, Lousto, Carlos O.

We compute the gravitational self-force (or "radiation reaction" force) acting on a particle falling radially into a Schwarzschild black hole. Our calculation is based on the "mode-sum" method, in...

Calculating the gravitational self force in Schwarzschild spacetime (2001)

Barack, Leor, Mino, Yasushi, Nakano, Hiroyuki, Ori, Amos, Sasaki, Misao

We present a practical method for calculating the local gravitational self-force (often called ``radiation-reaction force'') for a pointlike particle orbiting a Schwarzschild black hole. This is an...

Gravitational self force and gauge transformations (2001)

Barack, Leor, Ori, Amos

We explore how the gravitational self force (or ``radiation reaction'' force), acting on a pointlike test particle in curved spacetime, is modified in a gauge transformation. We derive the general...

Gravitational self force by mode sum regularization (2001)

Barack, Leor

We propose a practical scheme for calculating the local gravitational self-force experienced by a test mass particle moving in a black hole spacetime. The method---equally effective for either weak...

Gravitational self force by mode sum regularization (2001)

Barack, Leor

We propose a practical scheme for calculating the local gravitational self-force experienced by a test mass particle moving in a black hole spacetime. The method—equally effective for either weak...

Gravitational self force and gauge transformations (2001)

Barack, Leor, Ori, Amos

We explore how the gravitational self-force (or “radiation reaction” force), acting on a pointlike test particle in curved spacetime, is modified in a gauge transformation. We derive the general...

Gravitational self force and gauge transformations (2001)

Barack,Leor, Ori,Amos

We explore how the gravitational self force (or ''''radiation reaction'' force), acting on a pointlike test particle in curved spacetime, is modified in a gauge transformation. We derive the general...

Gravitational self force by mode sum regularization (2001)

Barack, Leor

We propose a practical scheme for calculating the local gravitational self-force experienced by a test mass particle moving in a black hole spacetime. The method---equally effective for either weak...

Gravitational self force and gauge transformations (2001)

Barack, Leor, Ori, Amos

We explore how the gravitational self force (or ''''radiation reaction'' force), acting on a pointlike test particle in curved spacetime, is modified in a gauge transformation. We derive the general...

Self-force on a scalar particle in spherically-symmetric spacetime via mode-sum regularization: radial trajectories (2000)

Barack, Leor

Recently, we proposed a method for calculating the “radiation reaction” self-force exerted on a charged particle moving in a strong field orbit in a black hole spacetime. In this approach, one...

Radiation-reaction force on a particle plunging into a black hole (2000)

Barack, Leor, Burko, Lior M.

We calculate the self-force acting on a scalar particle which is falling radially into a Schwarzschild black hole. We treat the particle’s self-field as a linear perturbation over the fixed...

Radiation-reaction force on a particle plunging into a black hole (2000)

Barack, Leor, Burko, Lior M.

We calculate the self-force acting on a scalar particle which is falling radially into a Schwarzschild black hole. We treat the particle’s self-field as a linear perturbation over the fixed...

Radiation-reaction force on a particle plunging into a black hole (2000)

Barack, Leor, Burko, Lior M.

We calculate the self force acting on a scalar particle which is falling radially into a Schwarzschild black hole. We treat the particle's self-field as a linear perturbation over the fixed...

Self-force on a scalar particle in spherically-symmetric spacetime via mode-sum regularization: radial trajectories (2000)

Barack, Leor

Recently, we proposed a method for calculating the ``radiation reaction'' self-force exerted on a charged particle moving in a strong field orbit in a black hole spacetime. In this approach, one...

Mode sum regularization approach for the self-force in black hole spacetime (2000)

Barack, Leor, Ori, Amos

We present a method for calculating the self-force (the “radiation reaction force”) acting on a charged particle moving in a strong field orbit in black hole spacetime. In this approach, one...

Late time decay of scalar, electromagnetic, and gravitational perturbations outside rotating black holes (2000)

Barack, Leor

We study analytically, via the Newman-Penrose formalism, the late time decay of scalar, electromagnetic, and gravitational perturbations outside a realistic rotating (Kerr) black hole. We find a...

Mode sum regularization approach for the self-force in black hole spacetime (1999)

Barack, Leor, Ori, Amos

We present a method for calculating the self-force (the ``radiation reaction force'') acting on a charged particle moving in a strong field orbit in black hole spacetime. In this approach, one first...

Late-time decay of gravitational and electromagnetic perturbations along the event horizon (1999)

Barack, Leor, Ori, Amos

We study analytically, via the Newman-Penrose formalism, the late-time decay of linear electromagnetic and gravitational perturbations along the event horizon (EH) of black holes. We first analyze in...

Calculating the self force in Schwarzschild spacetime by mode-sum regularization (1999)

Barack, Leor, Ori, Amos

We outline a method for calculating the self force (the "radiation reaction force") acting on a scalar particle in a strong field orbit in a Schwarzschild spacetime. In this method, the contribution...

Calculating the self force in Schwarzschild spacetime by mode-sum regularization (1999)

Barack, Leor, Ori, Amos

We outline a method for calculating the self force (the "radiation reaction force") acting on a scalar particle in a strong field orbit in a Schwarzschild spacetime. In this method, the contribution...

Late time decay of scalar, electromagnetic, and gravitational perturbations outside rotating black holes (1999)

Barack, Leor

We study analytically, via the Newman-Penrose formalism, the late time decay of scalar, electromagnetic, and gravitational perturbations outside a realistic rotating (Kerr) black hole. We find a...

Late-time decay of gravitational and electromagnetic perturbations along the event horizon (1999)

Barack, Leor, Ori, Amos

We study analytically, via the Newman-Penrose formalism, the late-time decay of linear electromagnetic and gravitational perturbations along the event horizon (EH) of black holes. We first analyze in...

Late-time decay of scalar perturbations outside rotating black holes (1999)

Barack, Leor, Ori, Amos

We present an analytic method for calculating the late-time tails of a linear scalar field outside a Kerr black hole. We give the asymptotic behavior at timelike infinity (for fixed r), at future...

Late-time decay of scalar perturbations outside rotating black holes (1999)

Barack, Leor, Ori, Amos

We present an analytic method for calculating the late-time tails of a linear scalar field outside a Kerr black hole. We give the asymptotic behavior at timelike infinity (for fixed $r$), at future...

Late time dynamics of scalar perturbations outside black holes: I. A shell toy-model (1999)

Barack, Leor

We present a new analytic approach for the study of late time evolution of linear test-fields, propagating on the exterior of black holes. This method provides a calculation scheme applicable to Kerr...

Late time dynamics of scalar perturbations outside black holes: II. Schwarzschild geometry (1999)

Barack, Leor

We apply a new analytic scheme, developed in a previous paper, in order to calculate the late time behavior of scalar test fields evolving outside a Schwarzschild black hole. The pattern of the late...

Late time dynamics of scalar perturbations outside black holes: I. A shell toy-model (1998)

Barack, Leor

We present a new analytic approach for the study of late time evolution of linear test-fields, propagating on the exterior of black holes. This method provides a calculation scheme applicable to Kerr...

Late time dynamics of scalar perturbations outside black holes: II. Schwarzschild geometry (1998)

Barack, Leor

We apply a new analytic scheme, developed in a preceding paper, in order to calculate the late time behavior of scalar test fields evolving outside a Schwarzschild black hole. The pattern of the late...