Simulating open quantum systems using hamiltonian simulations
We present a novel method to simulate the Lindblad equation, drawing on the relationship
between Lindblad dynamics, stochastic differential equations, and Hamiltonian simulations …
between Lindblad dynamics, stochastic differential equations, and Hamiltonian simulations …
Temperature-dependent photophysics of single NV centers in diamond
We present a comprehensive study of the temperature-and magnetic-field-dependent
photoluminescence (PL) of individual NV centers in diamond, spanning the temperature …
photoluminescence (PL) of individual NV centers in diamond, spanning the temperature …
Stroboscopic two-stroke quantum heat engines
The formulation of models describing quantum versions of heat engines plays an important
role in the quest toward establishing the laws of thermodynamics in the quantum regime. Of …
role in the quest toward establishing the laws of thermodynamics in the quantum regime. Of …
Nonequilibrium steady states in the Floquet-Lindblad systems: van Vleck's high-frequency expansion approach
Nonequilibrium steady states (NESSs) in periodically driven dissipative quantum systems
are vital in Floquet engineering. We develop a general theory for high-frequency drives with …
are vital in Floquet engineering. We develop a general theory for high-frequency drives with …
Heat and charge transport in interacting nanoconductors driven by time-modulated temperatures
We investigate the quantum transport of the heat and the charge through a quantum dot
coupled to fermionic contacts under the influence of time modulation of temperatures. We …
coupled to fermionic contacts under the influence of time modulation of temperatures. We …
High-frequency expansions for time-periodic Lindblad generators
Floquet engineering of isolated systems is often based on the concept of the effective time-
independent Floquet Hamiltonian, which describes the stroboscopic evolution of a …
independent Floquet Hamiltonian, which describes the stroboscopic evolution of a …
Time-optimal holonomic quantum computation
A three-level system can be used in a Λ-type configuration in order to construct a universal
set of quantum gates through the use of non-Abelian nonadiabatic geometrical phases …
set of quantum gates through the use of non-Abelian nonadiabatic geometrical phases …
Exceptional points and exponential sensitivity for periodically driven Lindblad equations
In this contribution to the memorial issue of Göran Lindblad, we investigate the periodically
driven Lindblad equation for a two-level system. We analyze the system using both adiabatic …
driven Lindblad equation for a two-level system. We analyze the system using both adiabatic …
Measurement-induced phase transition in periodically driven free-fermionic systems
P Chatterjee, R Modak - arxiv preprint arxiv:2412.01917, 2024 - arxiv.org
It is well known that continuous monitoring of a free-fermionic system leads to a steady state
entanglement transition from a logarithmically entangled critical to the area law phase. While …
entanglement transition from a logarithmically entangled critical to the area law phase. While …
Effective temperature pulses in open quantum systems
Controlling the temperature of nanoscale quantum systems is becoming increasingly
important in the efforts to develop thermal devices such as quantum heat valves, heat …
important in the efforts to develop thermal devices such as quantum heat valves, heat …