Laser-induced control of an electronic nematic quantum phase transition

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Laser-induced control of an electronic nematic quantum phase transition. / Klein, Avraham; Christensen, Morten H.; Fernandes, Rafael M.

I: Physical Review Research, Bind 2, Nr. 1, 013336, 03.2020.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Klein, A, Christensen, MH & Fernandes, RM 2020, 'Laser-induced control of an electronic nematic quantum phase transition', Physical Review Research, bind 2, nr. 1, 013336. https://doi.org/10.1103/PhysRevResearch.2.013336

APA

Klein, A., Christensen, M. H., & Fernandes, R. M. (2020). Laser-induced control of an electronic nematic quantum phase transition. Physical Review Research, 2(1), [013336]. https://doi.org/10.1103/PhysRevResearch.2.013336

Vancouver

Klein A, Christensen MH, Fernandes RM. Laser-induced control of an electronic nematic quantum phase transition. Physical Review Research. 2020 mar.;2(1). 013336. https://doi.org/10.1103/PhysRevResearch.2.013336

Author

Klein, Avraham ; Christensen, Morten H. ; Fernandes, Rafael M. / Laser-induced control of an electronic nematic quantum phase transition. I: Physical Review Research. 2020 ; Bind 2, Nr. 1.

Bibtex

@article{a8481cd3b91f4a76bca5596f2222eef8,

title = "Laser-induced control of an electronic nematic quantum phase transition",

abstract = "Ultrafast techniques have emerged as promising methods to study and control quantum materials. To maintain the quantum nature of the systems under study, excess heating must be avoided. In this paper, we demonstrate a method that employs the nonequilibrium laser excitation of planar-stretching optical phonons in tetragonal systems to quench an electronic nematic state across a quantum phase transition. Appropriately tuned off-resonant pulses can perform a quantum quench of the system either into the nematic phase (red detuning) or out of it (blue detuning). The nonlinear coupling of this phonon mode to nematicity not only mediates interactions in the nematic channel, but it also suppresses heating effects. We illustrate the applicability of our general results by considering the microscopic parameters of the nematic unconventional superconductor FeSe.",

author = "Avraham Klein and Christensen, {Morten H.} and Fernandes, {Rafael M.}",

note = "Publisher Copyright: {\textcopyright} 2020 authors. Published by the American Physical Society.",

year = "2020",

month = mar,

doi = "10.1103/PhysRevResearch.2.013336",

language = "English",

volume = "2",

journal = "Physical Review Research",

issn = "2643-1564",

publisher = "AMER PHYSICAL SOC",

number = "1",

}

RIS

TY - JOUR

T1 - Laser-induced control of an electronic nematic quantum phase transition

AU - Klein, Avraham

AU - Christensen, Morten H.

AU - Fernandes, Rafael M.

PY - 2020/3

Y1 - 2020/3

N2 - Ultrafast techniques have emerged as promising methods to study and control quantum materials. To maintain the quantum nature of the systems under study, excess heating must be avoided. In this paper, we demonstrate a method that employs the nonequilibrium laser excitation of planar-stretching optical phonons in tetragonal systems to quench an electronic nematic state across a quantum phase transition. Appropriately tuned off-resonant pulses can perform a quantum quench of the system either into the nematic phase (red detuning) or out of it (blue detuning). The nonlinear coupling of this phonon mode to nematicity not only mediates interactions in the nematic channel, but it also suppresses heating effects. We illustrate the applicability of our general results by considering the microscopic parameters of the nematic unconventional superconductor FeSe.

AB - Ultrafast techniques have emerged as promising methods to study and control quantum materials. To maintain the quantum nature of the systems under study, excess heating must be avoided. In this paper, we demonstrate a method that employs the nonequilibrium laser excitation of planar-stretching optical phonons in tetragonal systems to quench an electronic nematic state across a quantum phase transition. Appropriately tuned off-resonant pulses can perform a quantum quench of the system either into the nematic phase (red detuning) or out of it (blue detuning). The nonlinear coupling of this phonon mode to nematicity not only mediates interactions in the nematic channel, but it also suppresses heating effects. We illustrate the applicability of our general results by considering the microscopic parameters of the nematic unconventional superconductor FeSe.

UR - http://www.scopus.com/inward/record.url?scp=85092903302&partnerID=8YFLogxK

U2 - 10.1103/PhysRevResearch.2.013336

DO - 10.1103/PhysRevResearch.2.013336

M3 - Journal article

AN - SCOPUS:85092903302

VL - 2

JO - Physical Review Research

JF - Physical Review Research

SN - 2643-1564

IS - 1

M1 - 013336

ER -

ID: 398068157

Niels Bohr Institutet