On the minimization of Hamiltonians over pure Gaussian states

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Standard

On the minimization of Hamiltonians over pure Gaussian states. / Derezinski, Jan; Napiorkowski, Marcin; Solovej, Jan Philip.

Complex Quantum SystemsAnalysis of Large Coulomb Systems. red. / Heinz Siedentop. Bind 24 World Scientific, 2013. (National University of Singapore. Institute for Mathematical Sciences. Lecture Notes Series, Bind 24).

Publikation: Bidrag til bog/antologi/rapportBidrag til bog/antologiForskningfagfællebedømt

Harvard

Derezinski, J, Napiorkowski, M & Solovej, JP 2013, On the minimization of Hamiltonians over pure Gaussian states. i H Siedentop (red.), Complex Quantum SystemsAnalysis of Large Coulomb Systems. bind 24, World Scientific, National University of Singapore. Institute for Mathematical Sciences. Lecture Notes Series, bind 24. <http://arxiv.org/abs/1102.2931>

APA

Derezinski, J., Napiorkowski, M., & Solovej, J. P. (2013). On the minimization of Hamiltonians over pure Gaussian states. I H. Siedentop (red.), Complex Quantum SystemsAnalysis of Large Coulomb Systems (Bind 24). World Scientific. National University of Singapore. Institute for Mathematical Sciences. Lecture Notes Series Bind 24 http://arxiv.org/abs/1102.2931

Vancouver

Derezinski J, Napiorkowski M, Solovej JP. On the minimization of Hamiltonians over pure Gaussian states. I Siedentop H, red., Complex Quantum SystemsAnalysis of Large Coulomb Systems. Bind 24. World Scientific. 2013. (National University of Singapore. Institute for Mathematical Sciences. Lecture Notes Series, Bind 24).

Author

Derezinski, Jan ; Napiorkowski, Marcin ; Solovej, Jan Philip. / On the minimization of Hamiltonians over pure Gaussian states. Complex Quantum SystemsAnalysis of Large Coulomb Systems. red. / Heinz Siedentop. Bind 24 World Scientific, 2013. (National University of Singapore. Institute for Mathematical Sciences. Lecture Notes Series, Bind 24).

Bibtex

@inbook{a64e6c9471ab4349902883ad596a83f2,
title = "On the minimization of Hamiltonians over pure Gaussian states",
abstract = "A Hamiltonian defined as a polynomial in creation and annihilation operators is considered. After a minimization of its expectation value over pure Gaussian states, the Hamiltonian is Wick-ordered in creation and annihillation operators adapted to the minimizing state. It is shown that this procedure eliminates from the Hamiltonian terms of degree 1 and 2 that do not preserve the particle number, and leaves only terms that can be interpreted as quasiparticles excitations. We propose to call this fact Beliaev's Theorem, since to our knowledge it was mentioned for the first time in a paper by Beliaev from 1959",
author = "Jan Derezinski and Marcin Napiorkowski and Solovej, {Jan Philip}",
year = "2013",
language = "English",
isbn = "978-981-4460-14-9",
volume = "24",
series = "National University of Singapore. Institute for Mathematical Sciences. Lecture Notes Series",
publisher = "World Scientific",
editor = "Heinz Siedentop",
booktitle = "Complex Quantum SystemsAnalysis of Large Coulomb Systems",
address = "United States",

}

RIS

TY - CHAP

T1 - On the minimization of Hamiltonians over pure Gaussian states

AU - Derezinski, Jan

AU - Napiorkowski, Marcin

AU - Solovej, Jan Philip

PY - 2013

Y1 - 2013

N2 - A Hamiltonian defined as a polynomial in creation and annihilation operators is considered. After a minimization of its expectation value over pure Gaussian states, the Hamiltonian is Wick-ordered in creation and annihillation operators adapted to the minimizing state. It is shown that this procedure eliminates from the Hamiltonian terms of degree 1 and 2 that do not preserve the particle number, and leaves only terms that can be interpreted as quasiparticles excitations. We propose to call this fact Beliaev's Theorem, since to our knowledge it was mentioned for the first time in a paper by Beliaev from 1959

AB - A Hamiltonian defined as a polynomial in creation and annihilation operators is considered. After a minimization of its expectation value over pure Gaussian states, the Hamiltonian is Wick-ordered in creation and annihillation operators adapted to the minimizing state. It is shown that this procedure eliminates from the Hamiltonian terms of degree 1 and 2 that do not preserve the particle number, and leaves only terms that can be interpreted as quasiparticles excitations. We propose to call this fact Beliaev's Theorem, since to our knowledge it was mentioned for the first time in a paper by Beliaev from 1959

M3 - Book chapter

SN - 978-981-4460-14-9

VL - 24

T3 - National University of Singapore. Institute for Mathematical Sciences. Lecture Notes Series

BT - Complex Quantum SystemsAnalysis of Large Coulomb Systems

A2 - Siedentop, Heinz

PB - World Scientific

ER -

ID: 102670202