858 citations
- Indian Institute of Technology MadrasIN15 papers
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23 papers · 1 filter
Squeezing-Fueled Quantum Otto Engine via Measurement-Induced Cooling: The Two-Qubit Quantum Rabi Model
S R Rathnakaran, Asoka Biswas
We investigate a quantum Otto engine (QOE) constructed from the two-qubit quantum Rabi model, operating within a cavity quantum electrodynamics (QED) architecture. The engine opera…
Ancilla measurement-based Quantum Otto engine using double-pair spin architecture
S R Rathnakaran, Asoka Biswas
We present a quantum heat engine model utilizing a dual spin-pair architecture, wherein an Otto-like cycle is implemented using a single heat bath. The conventional cold bath is re…
Full-field mapping of spatially varying polarization entanglement generated from spontaneous parametric down-conversion
Cheng Li, Girish Kulkarni, Isaac Soward +6
Two-photon states generated from spontaneous parametric down-conversion (SPDC) can display entanglement in all degrees of freedom (DoFs) of light, including spatial, temporal, and…
Quasi-probability distribution of work in a measurement-based quantum Otto engine
Chayan Purkait, Shubhrangshu Dasgupta, Asoka Biswas
We study the work statistics of a measurement-based quantum Otto engine, where quantum non-selective measurements are used to fuel the engine, in a coupled spin working system (WS)…
Anisotropy-assisted thermodynamic advantage of a local-spin thermal machine
Chayan Purkait, Suman Chand, Asoka Biswas
We study quantum Otto thermal machines with a two-spin working system coupled by anisotropic interaction. Depending on the choice of different parameters, the quantum Otto cycle ca…
Quantum synchronization and entanglement of indirectly coupled mechanical oscillators in cavity optomechanics: a numerical study
Devender Garg, Manju, Shubhrangshu Dasgupta +1
It is often conjectured that quantum synchronisation and entanglement are two independent properties which two coupled quantum systems may not exhibit at the same time. However, as…