Quantum optical two-atom thermal diode

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F19%3A73594691" target="_blank" >RIV/61989592:15310/19:73594691 - isvavai.cz</a>

Výsledek na webu

<a href="https://journals.aps.org/pre/pdf/10.1103/PhysRevE.99.042121" target="_blank" >https://journals.aps.org/pre/pdf/10.1103/PhysRevE.99.042121</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevE.99.042121" target="_blank" >10.1103/PhysRevE.99.042121</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Quantum optical two-atom thermal diode

Popis výsledku v původním jazyce

We put forward a quantum-optical model for a thermal diode based on heat transfer between two thermal baths through a pair of interacting qubits. We find that if the qubits are coupled by a Raman field that induces an anisotropic interaction, heat flow can become nonreciprocal and undergoes rectification even if the baths produce equal dissipation rates of the qubits, and these qubits can be identical, i.e., mutually resonant. The heat flow rectification is explained by four-wave mixing and Raman transitions between dressed states of the interacting qubits and is governed by a global master equation. The anisotropic two-qubit interaction is the key to the operation of this simple quantum thermal diode, whose resonant operation allows for high-efficiency rectification of large heat currents. Effects of spatial overlap of the baths are addressed. We discuss the possible realizations of the model in various platforms, including optomechanical setups, systems of trapped ions, and circuit QED.

Název v anglickém jazyce

Quantum optical two-atom thermal diode

Popis výsledku anglicky

We put forward a quantum-optical model for a thermal diode based on heat transfer between two thermal baths through a pair of interacting qubits. We find that if the qubits are coupled by a Raman field that induces an anisotropic interaction, heat flow can become nonreciprocal and undergoes rectification even if the baths produce equal dissipation rates of the qubits, and these qubits can be identical, i.e., mutually resonant. The heat flow rectification is explained by four-wave mixing and Raman transitions between dressed states of the interacting qubits and is governed by a global master equation. The anisotropic two-qubit interaction is the key to the operation of this simple quantum thermal diode, whose resonant operation allows for high-efficiency rectification of large heat currents. Effects of spatial overlap of the baths are addressed. We discuss the possible realizations of the model in various platforms, including optomechanical setups, systems of trapped ions, and circuit QED.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10306 - Optics (including laser optics and quantum optics)

Projekt

<a href="/cs/project/GA17-20479S" target="_blank" >GA17-20479S: Manipulace s atomárními systémy pro kvantovou metrologii a zpracování kvantové informace</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

PHYSICAL REVIEW E

ISSN

2470-0045

e-ISSN

—

Svazek periodika

99

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

12

Strana od-do

"042121-1"-"042121-12"

Kód UT WoS článku

000464750500001

EID výsledku v databázi Scopus

2-s2.0-85064875031