Topological Confinement and Superconductivity (2008)
Al-Hassanieh, K. A., Batista, C. D., Sengupta, P., Feiguin, A. E.
We derive a Kondo Lattice model with a correlated conduction band from a two-band Hubbard Hamiltonian. This mapping allows us to describe the emergence of a robust pairing mechanism in a model that...
Isotope effect in quasi-two-dimensional metal-organic antiferromagnets (2008)
Goddard, P. A., Singleton, J., Maitland, C., Blundell, S. J., Lancaster, T., Baker, P. J., ...
Although the isotope effect in superconducting materials is well-documented, changes in the magnetic properties of antiferromagnets due to isotopic substitution are seldom discussed and remain poorly...
Sarkar, S., Bose, P.K., Samanta, P., Sengupta, P., Eriksson, P.G.
A strong influence of microbial mats on the physics of Neoproterozoic sedimentation is explored within a 60 m-thick stratigraphic interval within the Sonia Sandstone, Jodhpur Group, western India....
Goddard, P. A., Singleton, J., Sengupta, P., McDonald, R. D., Lancaster, T., Blundell, S. J., ...
Pulsed-field magnetization experiments (fields $B$ of up to 85 T and temperatures $T$ down to 0.4 K) are reported on nine organic Cu-based two-dimensional (2D) Heisenberg magnets. All compounds show...
Ordered magnetic phases of the frustrated spin-dimer compound Ba3Mn2O8 (2008)
Samulon, E. C., Sengupta, P., Batista, C. D., Jaime, M., Balicas, L., ...
Ba3Mn2O8 is a spin-dimer compound based on pairs of S=1, 3d^2, Mn^{5+} ions arranged on a triangular lattice. Antiferromagnetic intradimer exchange leads to a singlet ground state in zero-field. Here...
Ground state and thermal transitions in Field Induced spin-Supersolid Phase (2008)
We use a quantum Monte Carlo method to study the ground state and thermodynamic phase transitions of the spin supersolid phase in the S=1 Heisenberg model with uniaxial anisotropy. The thermal...
Dash, D K, Yeligar, V C, Nayak, S S, Ghosh, T, Rajalingam, R, Sengupta, P, ...
Purpose: The entire plant including the flowers, of Ichnocarpus frutescens R.Br. (Apocynaceae) has been used for the treatment of cancer, skin infections, diabetes and liver disorder. The present...
Fractalization drives crystalline states in a frustrated spin system (2007)
Sebastian, Suchitra E., Harrison, N., Sengupta, P., Batista, C. D., Francoual, S., Palm, E., ...
We measure a sequence of quantum Hall-like plateaux at 1/q: 9 >= q >= 2 and p/q = 2/9 fractions in the magnetisation with increasing magnetic field in the geometrically frustrated spin system...
Zapf, V. S., Correa, V. F., Sengupta, P., Batista, C. D., Tsukamoto, M., Kawashima, N., ...
We report a method for determining the spatial dependence of the magnetic exchange coupling, $dJ/dr$, from magnetostriction measurements of a quantum magnet. The organic Ni $S = 1$ system...
Field Induced Supersolid Phase in Spin-One Heisenberg Models (2007)
We use quantum Monte Carlo methods to demonstrate that the quantum phase diagram of the S=1 Heisenberg model with uniaxial anisotropy contains an extended supersolid phase. We also show that this...
Geometric Frustration and Dimensional Reduction at a Quantum Critical Point (2006)
Batista, C. D., Schmalian, J., Kawashima, N., Sengupta, P., Sebastian, S. E., Harrison, N., ...
We show that the spatial dimensionality of the quantum critical point associated with Bose--Einstein condensation at T=0 is reduced when the underlying lattice comprises a set of layers coupled by a...
Rigol, M., Scalettar, R. T., Sengupta, P., Batrouni, G. G.
We study, using quantum Monte-Carlo simulations, the energetics of the formation of Mott domains of fermions and bosons trapped on one-dimensional lattices. We show that, in both cases, the sum of...
Rigol, M., Scalettar, R. T., Sengupta, P., Batrouni, G. G.
We study, using quantum Monte Carlo simulations, the energetics of the formation of Mott domains of fermions and bosons trapped on one-dimensional lattices. We show that, in both cases, the sum of...
Sengupta, P., Rigol, M., Batrouni, G. G., Denteneer, P. J. H., Scalettar, R. T.
We study the phase coherence and visibility of trapped atomic condensates on one-dimensional optical lattices, by means of quantum Monte-Carlo simulations. We obtain structures in the visibility...
Rigol, M., Scalettar, R. T., Sengupta, P., Batrouni, G. G.
We study, using quantum Monte-Carlo simulations, the energetics of the formation of Mott domains of fermions and bosons trapped on one-dimensional lattices. We show that, in both cases, the sum of...
Phase diagram and visibility of optically trapped bosons (2006)
Scalettar, Richard, Rigol, M., Rousseau, Valery, Sengupta, P., Batrouni, G. George, Hebert, Frederic, ...
Rigol, M., Scalettar, R. T., Sengupta, P., Batrouni, G. G.
We study, using quantum Monte-Carlo simulations, the energetics of the formation of Mott domains of fermions and bosons trapped on one-dimensional lattices. We show that, in both cases, the sum of...
Sengupta, P., Rigol, M., Batrouni, G. G., Denteneer, P. J. H., Scalettar, R. T.
We study the phase coherence and visibility of trapped atomic condensates on one-dimensional optical lattices, by means of quantum Monte-Carlo simulations. We obtain structures in the visibility...
Sengupta, P., Rigol, M., Batrouni, G. G., Denteneer, P. J. H., Scalettar, R. T.
We study the phase coherence and visibility of trapped atomic condensates on one-dimensional optical lattices, by means of quantum Monte-Carlo simulations. We obtain structures in the visibility...
Sengupta, P., Rigol, M., Batrouni, G. G., Denteneer, P. J. H., Scalettar, R. T.
We study the phase coherence and visibility of trapped atomic condensates on one-dimensional optical lattices, by means of quantum Monte-Carlo simulations. We obtain structures in the visibility...
Beckerâs variant of myotonia congenita in two siblings- A clinico-genetic study (2004)
Bhattacharyya, Kalyan B., Sengupta, P., Basu, S., Bhattacharya, N.P.
We report a family of a brother and sister of myotonia congenita, conforming to autosomal recessive transmission (Beckerâs variety). To the best of our knowledge, no account of a family of...
Becker’s variant of myotonia congenita in two siblings- A clinico-genetic study (2004)
Bhattacharyya, Kalyan B., Sengupta, P., Basu, S., Bhattacharya, N.P.
We report a family of a brother and sister of myotonia congenita, conforming to autosomal recessive transmission (Becker’s variety). To the best of our knowledge, no account of a family of...
Becker’s variant of myotonia congenita in two siblings- A clinico-genetic study (2004)
Bhattacharyya, Kalyan B., Sengupta, P., Basu, S., Bhattacharya, N.P.
We report a family of a brother and sister of myotonia congenita, conforming to autosomal recessive transmission (Becker’s variety). To the best of our knowledge, no account of a family of...
Sengupta, P, Zheng, W H, Singh, RRP
Motivated by the geometry of spins in the materials SrCu2O3 and CaCu2O3, we study a two-layer, spin-half Heisenberg model, with nearest-neighbor exchange couplings J and alphaJ along the two axes in...
Sandvik, A. W., Sengupta, P., Campbell, D. K.
In Phys. Rev. Lett. 89, 236401 (2002), Jeckelmann argued that the recently discovered bond-order-wave (BOW) phase of the 1D extended Hubbard model does not have a finite extent in the (U,V) plane,...
Rheological properties of olefinic thermoplastic elastomer compounds (2002)
Sengers, W.G.F., Sengupta, P., Gotsis, A.D., Noordermeer, J.W.M.
Dinda, Rupam, Sengupta, P, Ghosh, S, Mayer-Figge, Heike, Sheldrick, W S
Copyright for the article belongs to Royal Society of Chemistry
Dinda, Rupam, Sengupta, P, Ghosh, Saktiprosad, Mak, T C W
Copyright for this article belongs to American Chemical Society
An Attempt to Develop Sulfate Bonded Alumino–Silicate Refractories (1998)
Sarkar, D, Sengupta, P, Bhattacharya, N R, Das, S, Das, P K
Copyright for this article belongs to the proceedings publishers
The PRE and PQ box are functionally distinct yeast pheromone response elements.
Saccharomyces cerevisiae mating pheromones function by binding to cell surface receptors and activating signal transduction processes which regulate gene expression. In this report, we have analyzed...
Daniels, S A, Ailion, M, Thomas, J H, Sengupta, P
Sensory cues regulate several aspects of behavior and development in Caenorhabditis elegans, including entry into and exit from an alternative developmental stage called the dauer larva. Three...
The Caenorhabditis elegans odr-2 gene encodes a novel Ly-6-related protein required for olfaction.
Chou, J H, Bargmann, C I, Sengupta, P
Caenorhabditis elegans odr-2 mutants are defective in the ability to chemotax to odorants that are recognized by the two AWC olfactory neurons. Like many other olfactory mutants, they retain...
The PRE and PQ box are functionally distinct yeast pheromone response elements.
Saccharomyces cerevisiae mating pheromones function by binding to cell surface receptors and activating signal transduction processes which regulate gene expression. In this report, we have analyzed...
Daniels, S A, Ailion, M, Thomas, J H, Sengupta, P
Sensory cues regulate several aspects of behavior and development in Caenorhabditis elegans, including entry into and exit from an alternative developmental stage called the dauer larva. Three...
The Caenorhabditis elegans odr-2 gene encodes a novel Ly-6-related protein required for olfaction.
Chou, J H, Bargmann, C I, Sengupta, P
Caenorhabditis elegans odr-2 mutants are defective in the ability to chemotax to odorants that are recognized by the two AWC olfactory neurons. Like many other olfactory mutants, they retain...
Aps, C., Cox, R. G., Mayou, B. J., Sengupta, P.
An anaesthetic protocol is described that is designed to promote peripheral blood flow and prevent vascular spasm in patients undergoing free flap transfer. The technique has been used successfully...