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20022009
most citedHeat Transport in low-dimensional systems

937 citations

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Showing 2007 · quant-phShow all

6 papers · 2 filters

quant-ph2007★ 124 cited

Optimizing the discrete time quantum walk using a SU(2) coin

C. M. Chandrashekar, R. Srikanth, Raymond Laflamme

We present a generalized version of the discrete time quantum walk, using the SU(2) operation as the quantum coin. By varying the coin parameters, the quantum walk can be optimized…

quant-ph2007★ 116 cited

The squeezed generalized amplitude damping channel

R. Srikanth, Subhashish Banerjee

Squeezing of a thermal bath introduces new features absent in an open quantum system interacting with an uncorrelated (zero squeezing) thermal bath. The resulting dynamics, governe…

quant-ph2007★ 23 cited

Phase Diffusion in Quantum Dissipative Systems

Subhashish Banerjee, R. Srikanth

We study the dynamics of the quantum phase distribution associated with the reduced density matrix of a system for a number of situations of practical importance, as the system evo…

quant-ph2007★ 3 cited

Gödel Incompleteness and the Black Hole Information Paradox

R. Srikanth, Srikanth Hebri

Semiclassical reasoning suggests that the process by which an object collapses into a black hole and then evaporates by emitting Hawking radiation may destroy information, a proble…

quant-ph2007★ 19 cited

Phase diffusion pattern in quantum nondemolition systems

Subhashish Banerjee, Joyee Ghosh, R. Ghosh

We quantitatively analyze the dynamics of the quantum phase distribution associated with the reduced density matrix of a system, as the system evolves under the influence of its en…

quant-ph2007★ 1 cited

Dynamics of decoherence without dissipation in a squeezed thermal bath

Subhashish Banerjee, R. Ghosh

We study a generic open quantum system where the coupling between the system and its environment is of an energy-preserving quantum nondemolition (QND) type. We obtain the general…