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pro vyhledávání: '"De, Bitan"'
Resonant transport occurs when there is a matching of frequencies across some spatial medium, increasing the efficiency of shuttling particles from one reservoir to another. We demonstrate that in a periodically driven, many--body titled lattice, the
Externí odkaz:
http://arxiv.org/abs/2308.12346
Publikováno v:
Phys. Rev. B 107, 235148 (2023)
Extended reservoirs provide a framework for capturing macroscopic, continuum environments, such as metallic electrodes driving a current through a nanoscale contact, impurity, or material. We examine the application of this approach to periodically d
Externí odkaz:
http://arxiv.org/abs/2303.04160
Autor:
Das, Anuranan, Khan, Adil Anwar, Mishra, Sattwik Deb, Solanki, Parvinder, De, Bitan, Muralidharan, Bhaskaran, Vinjanampathy, Sai
We present a solid state thermal machine based on quantum dots to generate steady-state entanglement between distant spins. Unlike previous approaches our system is controlled by experimentally feasible steady state currents manipulated by dc voltage
Externí odkaz:
http://arxiv.org/abs/2112.12020
The level statistics in the transition between delocalized and localized {phases of} many body interacting systems is {considered}. We recall the joint probability distribution for eigenvalues resulting from the statistical mechanics for energy level
Externí odkaz:
http://arxiv.org/abs/2108.11654
A three terminal nanoscale refrigeration concept based on a vibron-coupled quantum dot hybrid system coupled to two electronic reservoirs and a phonon bath is proposed and analyzed in detail. While investigating the non-trivial role of electron-phono
Externí odkaz:
http://arxiv.org/abs/2004.12763
Autor:
De, Bitan, Muralidharan, Bhaskaran
The anomalous behavior of electron induced phonon transport is investigated using an Anderson-Holstein based dissipative quantum dot setup under two relevant bias situations: (a) a voltage bias in the absence of an electronic temperature gradient and
Externí odkaz:
http://arxiv.org/abs/1811.11998
Autor:
De, Bitan, Muralidharan, Bhaskaran
Investigating the non-linear transport regime in a quantum dot heat engine described by the Anderson-Holstein model, it is shown that a finite electron-phonon interaction leads to a charge induced phonon generation that stimulates a phonon current ev
Externí odkaz:
http://arxiv.org/abs/1707.08248
Autor:
De, Bitan, Muralidharan, Bhaskaran
Publikováno v:
Phys. Rev. B 94, 165416 (2016)
This paper examines the thermoelectric response of a dissipative quantum dot heat engine based on the Anderson-Holstein model in two relevant operating limits: (i) when the dot phonon modes are out of equilibrium, and (ii) when the dot phonon modes a
Externí odkaz:
http://arxiv.org/abs/1605.09195
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