M-brane bound states and the supersymmetry of BPS solutions in the Bagger-Lambert theory (2008)
Jeon, Imtak, Kim, Jongwook, Kim, Nakwoo, Lee, Bum-Hoon, Park, Jeong-Hyuck
We continue our study of BPS equations and supersymmetric configurations in the Bagger-Lambert theory. The superalgebra allows three different types of central extensions which correspond to...
AdS Solutions Through Transgression (2008)
Donos, Aristomenis, Gauntlett, Jerome P., Kim, Nakwoo
We present new classes of explicit supersymmetric AdS_3 solutions of type IIB supergravity with non-vanishing five-form flux and AdS_2 solutions of D=11 supergravity with electric four-form flux. The...
How to put the Bagger-Lambert theory on an orbifold : A derivation of the ABJM model (2008)
We consider taking an orbifold of the multiple M2-brane theory recently proposed by Bagger and Lambert. Starting from the large-n limit of the 3-algebra structure realized as volume-preserving...
Classification of the BPS states in Bagger-Lambert Theory (2008)
Jeon, Imtak, Kim, Jongwook, Kim, Nakwoo, Kim, Sang-Woo, Park, Jeong-Hyuck
We classify, in a group theoretical manner, the BPS configurations in the multiple M2-brane theory recently proposed by Bagger and Lambert. We present three types of BPS equations preserving various...
Kim, Jongwook, Kim, Nakwoo, Park, Jeong-Hyuck, Plefka, Jan
We study a new class of inhomogeneous pp-wave solutions with 8 unbroken supersymmetries in D=11 supergravity. The 9 dimensional transverse space is Euclidean and split into 3 and 6 dimensional...
Charged Black Cosmic String (2008)
Nakwoo Kim, Yoonbai Kim, Kyoungtae Kimm
Global U(1) strings with cylindrical symmetry are studied in anti-de Sitter spacetime. According as the magnitude of negative cosmological constant, they form regular global cosmic strings, extremal...
Global Vortex and Black Cosmic String (2007)
Nakwoo Kim, Yoonbai Kim, Kyoungtae Kimm
We study global vortices coupled to (2+1) dimensional gravity with negative cosmological constant. We found nonsingular vortex solutions in OE 4 -theory with a broken U(1) symmetry, of which the...
Geometries with Killing Spinors and Supersymmetric AdS Solutions (2007)
Gauntlett, Jerome P., Kim, Nakwoo
The seven and nine dimensional geometries associated with certain classes of supersymmetric $AdS_3$ and $AdS_2$ solutions of type IIB and D=11 supergravity, respectively, have many similarities with...
1/4-BPS M-theory bubbles with SO(3) x SO(4) symmetry (2007)
Kim, Hyojoong, Kim, Kyung Kiu, Kim, Nakwoo
In this paper we generalize the work of Lin, Lunin and Maldacena on the classification of 1/2-BPS M-theory solutions to a specific class of 1/4-BPS configurations. We are interested in the solutions...
Supersymmetric AdS_3, AdS_2 and Bubble Solutions (2006)
Gauntlett, Jerome P., Kim, Nakwoo, Waldram, Daniel
We present new supersymmetric AdS_3 solutions of type IIB supergravity and AdS_2 solutions of D=11 supergravity. The former are dual to conformal field theories in two dimensions with N=(0,2)...
Comments on AdS2 solutions of D=11 Supergravity (2006)
We study the supersymmetric solutions of 11-dimensional supergravity with a factor of $AdS_2$ made of M2-branes. Such solutions can provide gravity duals of superconformal quantum mechanics, or...
Massive super Yang-Mills quantum mechanics: classification and the relation to supermembrane (2006)
Kim, Nakwoo, Park, Jeong-Hyuck
We classify the supersymmetric mass deformations of all the super Yang-Mills quantum mechanics, which are obtained by dimensional reductions of minimal super Yang-Mills in spacetime dimensions: ten,...
Massive super Yang-Mills quantum mechanics: classification and the relation to supermembrane (2006)
Kim, Nakwoo, Park, Jeong-Hyuck
We classify the supersymmetric mass deformations of all the super Yang-Mills quantum mechanics, which are obtained by dimensional reductions of minimal super Yang-Mills in spacetime dimensions: ten,...
AdS(3) Solutions of IIB Supergravity from D3-branes (2005)
We consider pure D3-brane configurations of IIB string theory which lead to supersymmetric solutions containing an AdS$_3$ factor. They can provide new examples of AdS$_3$/CFT$_2$ examples on...
Multi-spin strings on AdS5 x T1,1 and operators of N=1 superconformal theory (2004)
We study rotating strings with multiple spins in the background of $AdS5 times T1,1, which is dual to a $\cN=1$ superconformal field theory with global symmetry $SU(2)\times SU(2)\times U(1)$ via the...
Multi-spin strings on AdS(5)xT(1,1) and operators of N=1 superconformal theory (2003)
We study rotating strings with multiple spins in the background of $AdS_5\times T^{1,1}$, which is dual to a $\cN=1$ superconformal field theory with global symmetry $SU(2)\times SU(2)\times U(1)$...
Plane-wave Matrix Theory from N=4 Super Yang-Mills on RxS^3 (2003)
Kim, Nakwoo, Klose, Thomas, Plefka, Jan
Recently a mass deformation of the maximally supersymmetric Yang-Mills quantum mechanics has been constructed from the supermembrane action in eleven dimensional plane-wave backgrounds. However, the...
Supersymmetry and Branes in M-theory Plane-Waves (2003)
We study brane embeddings in M-theory plane-waves and their supersymmetry. The relation with branes in AdS backgrounds via the Penrose limit is also explored. Longitudinal planar branes are...
Plane-wave Matrix Theory from N=4 Super Yang-Mills on RxS3 (2003)
Kim,Nakwoo, Klose,Thomas, Plefka,Jan
Recently a mass deformation of the maximally supersymmetric Yang-Mills quantum mechanics has been constructed from the supermembrane action in eleven dimensional plane-wave backgrounds. However, the...
Supersymmetry and Branes in M-theory Plane-Waves (2003)
We study brane embeddings in M-theory plane-waves and their supersymmetry. The relation with branes in AdS backgrounds via the Penrose limit is also explored. Longitudinal planar branes are...
We continue the study of supersymmetric IIB pp-wave solutions by Maldacena and Maoz (hep-th/0207284), who showed Ramond-Ramond five-forms can induce potential terms in the light cone string actions...
Plane-wave Matrix Theory from N=4 Super Yang-Mills on RxS3 (2003)
Kim, Nakwoo, Klose, Thomas, Plefka, Jan
Recently a mass deformation of the maximally supersymmetric Yang-Mills quantum mechanics has been constructed from the supermembrane action in eleven dimensional plane-wave backgrounds. However, the...
We continue the study of supersymmetric type IIB pp wave solutions by Maldacena and Maoz (hep-th/0207284), who showed Ramond-Ramond five-forms can induce potential terms in the light cone string...
Superalgebra for M-theory on a pp-wave (2002)
We study the supersymmetry algebra of M-theory on a pp-wave. The algebra is identified as the special unitary Lie superalgebra, SU(2|4). The root structure is analysed. We discuss the typical and...
Supersymmetry and Branes in M-theory Plane-waves (2002)
We study brane embeddings in M-theory plane-waves and their supersymmetry. The relation with branes in AdS backgrounds via the Penrose limit is also explored. Longitudinal planar branes are...
Deformed Matrix Theories with N=8 and Fivebranes in the PP Wave Background (2002)
Kim,Nakwoo, Lee,Kimyeong M., Yi,Piljin
M(atrix) theory is known to be mass-deformed in the pp-wave background and still retains all 16 dynamical supersymmetries. We consider generalization of such deformations on super Yang-Mills quantum...
Deformed Matrix Theories with N=8 and Fivebranes in the PP Wave Background (2002)
Kim, Nakwoo, Lee, Kimyeong M., Yi, Piljin
M(atrix) theory is known to be mass-deformed in the pp-wave background and still retains all 16 dynamical supersymmetries. We consider generalization of such deformations on super Yang-Mills quantum...
Superalgebra for M-theory on a pp-wave (2002)
Kim, Nakwoo, Park, Jeong-Hyuck
We study the superalgebra of the M-theory on a fully supersymmetric pp-wave. We identify the algebra as the special unitary Lie superalgebra, su(2|4;2,0) or su(2|4;2,4), and analyze its root...
On the Spectrum of PP-Wave Matrix Theory (2002)
We study the spectrum of the recently proposed matrix model of DLCQ M-theory in a parallel plane (pp)-wave background. In contrast to matrix theory in a flat background this model contains mass...
Superstring on PP-Wave Orbifold from Large-N Quiver Gauge Theory (2002)
Kim, Nakwoo, Pankiewicz, Ari, Rey, Soo-Jong, Theisen, Stefan
We extend the proposal of Berenstein, Maldacena and Nastase to Type IIB superstring propagating on pp-wave over ${\bf R}^4/{\bf Z}_k$ orbifold. We show that first-quantized free string theory is...
M-Theory solutions with AdS factors (2002)
Gauntlett, Jerome P., Kim, Nakwoo, Pakis, Stathis, Waldram, Daniel
Solutions of D=7 maximal gauged supergravity are constructed with metrics that are a product of a n-dimensional anti-de Sitter (AdS) space, with n=2,3,4,5, and certain Einstein manifolds. The gauge...
M-theory solutions with AdS factors (2002)
Gauntlett,Jerome P., Kim,Nakwoo, Pakis,Stathis, Waldram,Daniel
Solutions of D = 7 maximal gauged supergravity are constructed with metrics that are a product of an n-dimensional anti-de Sitter (AdS) space, with n = 2, 3, 4, 5, and certain Einstein manifolds. The...
Superstring on pp-wave orbifold from large N quiver gauge theory (2002)
Kim,Nakwoo, Pankiewicz,Ari, Rey,S. J., Theisen,Stefan
We extend the proposal of Berenstein, Maldacena and Nastase to the Type IIB superstring propagating on a pp-wave over the R-4/Z(k) Orbifold. We show that first-quantized free string theory is...
On the Spectrum of PP-Wave Matrix Theory (2002)
We study the spectrum of the recently proposed matrix model of DLCQ M-theory in a parallel plane (pp)-wave background. In contrast to matrix theory in a flat background this model contains mass...
M-theory solutions with AdS factors (2002)
Gauntlett, Jerome P., Kim, Nakwoo, Pakis, Stathis, Waldram, Daniel
Solutions of D = 7 maximal gauged supergravity are constructed with metrics that are a product of an n-dimensional anti-de Sitter (AdS) space, with n = 2, 3, 4, 5, and certain Einstein manifolds. The...
Superstring on pp-wave orbifold from large N quiver gauge theory (2002)
Kim, Nakwoo, Pankiewicz, Ari, Rey, S. J., Theisen, Stefan
We extend the proposal of Berenstein, Maldacena and Nastase to the Type IIB superstring propagating on a pp-wave over the R-4/Z(k) Orbifold. We show that first-quantized free string theory is...
On the Spectrum of PP-Wave Matrix Theory (2002)
We study the spectrum of the recently proposed matrix model of DLCQ M-theory in a parallel plane (pp)-wave background. In contrast to matrix theory in a flat background this model contains mass...
Superalgebra for M-theory on a pp-wave (2002)
Kim, Nakwoo, Park, Jeong-Hyuck
We study the supersymmetry algebra of M-theory on a pp-wave. The algebra is identified as the special unitary Lie superalgebra, SU(2|4). The root structure is analysed. We discuss the typical and...
Deformed Matrix Theories with N=8 and Fivebranes in the PP Wave Background (2002)
Kim, Nakwoo, Lee, Kimyeong M., Yi, Piljin
M(atrix) theory is known to be mass-deformed in the pp-wave background and still retains all 16 dynamical supersymmetries. We consider generalization of such deformations on super Yang-Mills quantum...
Fivebranes Wrapped on SLAG Three-Cycles and Related Geometry (2001)
Gauntlett, Jerome P., Kim, Nakwoo, Martelli, Dario, Waldram, Daniel
We construct ten-dimensional supergravity solutions corresponding to the near horizon limit of IIB fivebranes wrapping special Lagrangian three-cycles of constant curvature. The case of branes...
M-Fivebranes Wrapped on Supersymmetric Cycles II (2001)
Gauntlett, Jerome P., Kim, Nakwoo
We construct D=11 supergravity solutions dual to the twisted field theories arising when M-theory fivebranes wrap supersymmetric cycles. The cases considered are M-fivebranes wrapped on (i) a complex...
Wrapped fivebranes and N=2 super Yang-Mills theory (2001)
Gauntlett, Jerome P., Kim, Nakwoo, Martelli, Dario, Waldram, Daniel
We construct D=10 supergravity solutions corresponding to type IIB fivebranes wrapping a two-sphere in a Calabi-Yau two-fold. These are related in the IR to the large N limit of pure N=2 SU(N) super...
Membranes Wrapped on Holomorphic Curves (2001)
Gauntlett, Jerome P., Kim, Nakwoo, Pakis, Stathis, Waldram, Daniel
We construct supergravity solutions dual to the twisted field theories arising when M-theory membranes wrap holomorphic curves in Calabi-Yau n-folds. The solutions are constructed in an Abelian...
Fivebranes Wrapped on SLAG Three-Cycles and Related Geometry (2001)
Gauntlett,Jerome P., Kim,Nakwoo, Martelli,Dario, Waldram,Daniel
We construct ten-dimensional supergravity solutions corresponding to the near horizon limit of IIB fivebranes wrapping special lagrangian three-cycles of constant curvature. The case of branes...
Fivebranes Wrapped on SLAG Three-Cycles and Related Geometry (2001)
Gauntlett, Jerome P., Kim, Nakwoo, Martelli, Dario, Waldram, Daniel
We construct ten-dimensional supergravity solutions corresponding to the near horizon limit of IIB fivebranes wrapping special lagrangian three-cycles of constant curvature. The case of branes...
M-Fivebranes Wrapped on Supersymmetric Cycles (2000)
Gauntlett, Jerome P., Kim, Nakwoo, Waldram, Daniel
We construct supergravity solutions dual to the twisted field theories arising when M-theory fivebranes wrap general supersymmetric cycles. The solutions are constructed in maximal D=7 gauged...
Fivebranes Wrapped On Associative Three-Cycles (2000)
Acharya, Bobby S., Gauntlett, Jerome P., Kim, Nakwoo
We construct supergravity solutions corresponding to fivebranes wrapping associative three-cycles of constant curvature in manifolds of G_2-holonomy. The solutions preserve 2 supercharges and are...
Intersecting Noncommutative D-branes and Baryons in Magnetic Fields (2000)
We study supersymmetric intersecting configurations of D-branes with B-field backgrounds. Noncommutative D-brane or M-brane pairs can intersect supersymmetrically over (p-1)-brane, as well as over...
Twisted Bundles on Noncommutative $T^4$ and D-brane Bound States (1999)
Kim, Eunsang, Kim, Hoil, Kim, Nakwoo, Lee, Bum-Hoon, Lee, Chang-Yeong, Yang, Hyun Seok
We construct twisted quantum bundles and adjoint sections on noncommutative $T^4$, and investigate relevant D-brane bound states with non-Abelian backgrounds. We also show that the noncommutative...
Monopole Dynamics and BPS Dyons N=2 Super-Yang-Mills Theories (1999)
Gauntlett, Jerome P., Kim, Nakwoo, Park, Jaemo, Yi, Piljin
We determine the low energy dynamics of monopoles in pure N=2 Yang-Mills theories for points in the vacuum moduli space where the two Higgs fields are not aligned. The dynamics is governed by a...
Stable Non-BPS Membranes on M(atrix) Orientifold (1999)
Kim, Nakwoo, Rey, Soo-Jong, Yee, Jung-Tay
Examples of stable, non-BPS M-theory membrane configuration are constructed via M(atrix) theory. The stable membranes are localized on O4 or O8 orientifolds, which projects Chan-Paton gauge bundle of...
Orientifolds of Matrix theory and Noncommutative Geometry (1999)
We study explicit solutions for orientifolds of Matrix theory compactified on noncommutative torus. As quotients of torus, cylinder, Klein bottle and M\"obius strip are applicable as orientifolds. We...
More on Membranes in Matrix Theory (1998)
We study noncompact and static membrane solutions in Matrix theory. Demanding axial symmetry on a membrane embedded in three spatial dimensions, we obtain a wormhole solution whose shape is the same...
Tensionless gravitational string in $D=6$, $N=1$ heterotic string vacua (1998)
Kim, Nakwoo, Rey, Soo-Jong, Theisen, Stefan, Yankielowicz, Shimon
Summary: We study the non-perturbative Coulomb phase of $D=6$, $N=1$ heterotic string vacua with more than one tensor multiplet. We find that, for $n_T>9$, the Coulomb branch is divided by a...
Global Vortex and Black Cosmic String (1997)
Kim, Nakwoo, Kim, Yoonbai, Kimm, Kyoungtae
We study global vortices coupled to (2+1) dimensional gravity with negative cosmological constant. We found nonsingular vortex solutions in $\phi^4$-theory with a broken U(1) symmetry, of which the...
Charged Black Cosmic String (1997)
Kim, Nakwoo, Kim, Yoonbai, Kimm, Kyoungtae
Global U(1) strings with cylindrical symmetry are studied in anti-de Sitter spacetime. According as the magnitude of negative cosmological constant, they form regular global cosmic strings, extremal...
M(atrix) Theory on an Orbifold and Twisted Membrane (1997)
M(atrix) theory on an orbifold and classical two-branes therein are studied with particular emphasis to heterotic M(atrix) theory on $S_1/Z_2$ relevant to strongly coupled heterotic and dual Type IA...