Thermodynamics at zero temperature: Inequalities for the ground state of a quantum many-body system

N. Il'in^a, E. Shpagina^bc, O. Lychkovskiy<sup>ade

a</sup> Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30, Moscow 121205, Russia
^b Faculty of Physics, NRU Higher School of Economics, 101000, Myasnitskaya 20, Moscow, Russia
^c Institute of Solid State Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russia
^d Department of Mathematical Methods for Quantum Technologies, Steklov Mathematical Institute of Russian Academy of Sciences, Gubkina str., 8, Moscow 119991, Russia
^e Laboratory for the Physics of Complex Quantum Systems, Moscow Institute of Physics and Technology, Institutsky per. 9, Dolgoprudny, Moscow region, 141700, Russia

Received: 17.01.2021
Revised: 21.07.2021
Accepted: 12.08.2021

Language: English

DOI: 10.1016/j.physleta.2021.127637

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