On atomic analogue of Landau quantization (2008)
Basu, B., Dhar, S., Chatterjee, S.
We have studied the physics of atoms with permanent electric dipole moment and non vanishing magnetic moment interacting with an electric field and inhomogeneous magnetic field. This system can be...
Spin Entanglement of Two delocalised Fermions and Berry Phase (2007)
We have studied the entanglement of identical fermions in two spatial regions in terms of the Berry phase acquired by their spins. The analysis is done from the viewpoint of the geometrical...
A Geometrical Approach towards Entanglement (2007)
We have studied the concurrence of two-site entanglement and have shown that it is related to the geometric phase accumulated due to a complete rotation of the entangled state. The geometric phase...
The Berry phase in ferromagnetic spin systems and anomalous Hall Effect (2007)
We have shown that the study of topological aspects of the underlying geometry in a ferromagnetic spin system gives rise to an intrinsic Berry phase. This real space Berry phase arises due to the...
Spin Hall Effect For Anyons (2007)
Dhar, S., Basu, B., Ghosh, Subir
We explain the intrinsic spin Hall effect from generic anyon dynamics in the presence of external electromagnetic field. The free anyon is represented as a spinning particle with an underlying...
Noncommutative Geometry and Geometric Phases (2006)
Basu, B., Ghosh, Subir, Dhar, S.
We have studied particle motion in generalized forms of noncommutative phase space, that simulate monopole and other forms of Berry curvature, that can be identified as effective internal magnetic...
Relation between concurrence and Berry phase of an entangled state of two spin 1/2 particles (2006)
We have studied here the influence of the Berry phase generated due to a cyclic evolution of an entangled state of two spin 1/2 particles. It is shown that the measure of formation of entanglement is...
Understanding the fretting wear of Ti3SiC2 (2006)
Sarkar, D, Manoj Kumar, B V, Basu, B
Copyright for this article belongs to Elsevier Science Ltd http://dx.doi.org/10.1016/j.jeurceramsoc.2005.05.006
R-curve behavior of Ti3SiC2 (2006)
Sarkar, D, Basu, B, Chu, Min Cheol, Cho, Seong Jai
Copyright for this article belongs to Elsevier Science Ltd http://dx.doi.org/10.1016/j.ceramint.2006.01.002
Oxidation-induced strengthening in ground silicon carbide (2006)
Chu, M C, Cho, S J, Sarkar, D, Basu, B, Yoon, G J, Park, H M
Copyright for the Published Verision article belongs to Springer. This is accepted postprint author-version
WC–ZrO2 composites: processing and unlubricated tribological properties (2005)
Venkateswaran, T, Sarkar, D, Basu, B
Copyright for the article belongs to Elsevier Science Ltd http://dx.doi.org/10.1016/j.wear.2004.11.005
Charge and Statistics of Quasiparticles in Fractional Quantum Hall Effec (2005)
Basu, B., Bandyopadhyay, P., Dhar, S.
We have studied here the charge and statistics of quasiparticle excitations in FQH states on the basis of the Berry phase approach incorporating the fact that even number of flux quanta can be gauged...
Quantum Hall Effect In Bilayer Systems And The Noncommutative Plane: A Toy Model Approach (2005)
We have presented a quantum mechanical toy model for the study of Coulomb interactions in Quantum Hall (QH) system. Inclusion of Coulomb interaction is essential for the study of {\it{bilayer}} QH...
Pressureless sintering and tribological properties of WC–ZrO2 composites (2005)
Basu, B, Venkateswaran, T, Sarkar, D
Copyright for this article belongs to Elsevier Science Ltd http://dx.doi.org/10.1016/j.jeurceramsoc.2004.05.021
Tribological Properties of WC–ZrO2 Nanocomposites (2005)
Venkateswaran, T, Sarkar, D, Basu, B
Copyright for this article belongs to Blackwell Publishing DOI:doi:10.1111/j.1551-2916.2005.00129.x
Tribological Properties of Ti3SiC2 (2005)
Sarkar, D, Basu, B, Cho, S J, Chu, M C, Hwang, S S, Park, S W
Copyright for this article belongs to Blackwell Synergy doi:10.1111/j.1551-2916.2005.00569.x
Statistics of Quasiparticles in Fractional Quantum Hall States (2004)
We have considered here the statistics parameter for quasiparticles in FQH states from an analysis of these states in the framework of chiral anomaly and Berry phase. It is shown that we have a...
Fractional Quantum Hall Edge Electrons, Chiral Anomaly and the Berry Phase (2004)
It is shown that the deviation of fractional quantum Hall edge fluid from power law correlation functions with universal exponent $\alpha=1/\nu$ as observed in recent experiment may be explained when...
Fretting Wear Behavior of Ti(CN)-Based Advanced Cermets (2004)
Sarkar, D, Manoj Kumar, B V, Ahn, S, Kang, S, Basu, B
Copyright for this article belongs to Trans Tech
Novel Families of Fractional Quantum Hall States : A Berry Phase Approach (2003)
We have studied here the newly observed families of fractional quantum Hall states in the framework of Berry phase. It has been shown that this approach embraces in a unified way the whole spectrum...
Noncommutative Geometry, Quantum Hall Effect and Berry Phase (2003)
Taking resort to Haldane's spherical geometry we can visualize fractional quantum Hall effect on the noncommutative manifold $M_4 \times Z_N$ with $N>2$ and odd. The discrete space leads to the...
Topological Aspects of High Temperature Superconductivity and Berry Phase (2003)
We propose a mechanism of high temperature superconductivity from the viewpoint of chirality and Berry phase. It is observed that spin pairing and charge pairing is caused by a gauge force generated...
High $T_c$ Superconductivity, Skyrmions and the Berry Phase (2003)
Basu, B., Dhar, S., Bandyopadhyay, P.
It is here pointed out that the antiferromagnetic spin fluctuation may be associated with a gauge field which gives rise to the antiferromagnetic ground state chirality. This is associated with the...
Polarization Of Quantum Hall States, Skyrmions and Berry Phase (2003)
Basu, B., Dhar, S., Bandyopadhyay, P.
We have discussed here the polarization of quantum Hall states in the framework of the hierarchical analysis of IQHE and FQHE in terms of Berry phase. It is observed that we have fully polarized...
Fretting Wear of TiCN-Ni Cermet: Influence of Secondary Carbide Content (2003)
Sarkar, D, Ahn, S, Kang, S, Basu, B
Copyright for this article belongs to the publishers
Pairing in High Temperature Superconductors and Berry Phase (2002)
The topological approach to the understanding of pairing mechanism in high $T_c$ superconductors analyses the relevance of the Berry phase factor in this context. This also gives the evidence for the...
Magnus Force in High Temperature Superconductivity and Berry Phase (2002)
Pal, D., Basu, B., Bandyopadhyay, P.
In the topological framework of high temperature superconductivity we have discussed the Magnus force acting on its vortices.
Magnus Force on Quantum Hall Skyrmions and Vortices (2002)
Dhar, S., Basu, B., Bandyopadhyay, P.
We have discussed here the Magnus force acting on the vortices and skyrmions in the quantum Hall systems. We have found that it is generated by the chirality of the system which is associated with...
Quantum Hall Skyrmions in the framework of O(4) Non-linear Sigma Model (2002)
Basu, B., Dhar, S., Bandyopadhyay, P.
A new framework for quantum Hall skyrmions in O(4) nonlinear sigma model is studied here. The size and energy of the skyrmions are determined incorporating the quartic stability term in the...
Ionospheric Electron Density Profile and Related Studies. (2002)
Basu,B., Decker,D. T., Retterer,J. M., Bakshi,P. M.
We have studied photo-ionization of the neutral gas by photons in the extreme ultraviolet (EUV) region of the solar spectrum along with the various particle-particle collisional processes that...
Topological Aspects Of Spin Pairing in High $T_c$ Superconductivity and Berry Phase (1999)
From topological viewpoint we have analysed the role of Berry phase in spin pairing mechanism of high $T_c$ superconducting state.
Basu, B., Pal, D., Bandyopadhyay, P.
We have analysed here the equivalence of RVB states with $\nu=1/2$ FQH states in terms of the Berry Phase which is associated with the chiral anomaly in 3+1 dimensions. It is observed that the...
Basu, B., Retterer, J. M., De La Beaujardiere, O., Valladares, C. E., Kudeki, E.
Theoretical study of electron density distribution in the nighttime equatorial ionosphere shows that linear relationships with statistically significant correlation coefficients exist between the...
On the Linear Theory of Equatorial Plasma Instability: Comparison of Different Descriptions (1998)
Three theoretical descriptions, namely the local description, the flux tube integrated description and the ballooning-mode type description, of the equatorial plasma instability are presented for...
E-Layer Due to Pure Proton Aurora, (1990)
It is now well-known that in the evening sector of the auroral oval and at latitudes equatorward of the electron precipitation boundary, the auroral E-layer is produced solely by the precipitating...
Severe pulmonary hypertension in advanced aortic valve disease.
Basu, B, Cherian, G, Krishnaswami, S, Sukumar, I P, John, S
Review of haemodynamic data of 151 cases with isolated aortic valve disease revealed severe pulmonary hypertension (pulmonary arterial systolic pressure of 60 mmHg or more) in 17 (11%). The left...