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Threshold singularities in the dynamic response of gapless integrable models

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Threshold singularities in the dynamic response of gapless integrable models. / Cheianov, Vadim; Pustilnik, Michael.
In: Physical review letters, Vol. 100, No. 12, 126403, 28.03.2008, p. -.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Cheianov, V & Pustilnik, M 2008, 'Threshold singularities in the dynamic response of gapless integrable models', Physical review letters, vol. 100, no. 12, 126403, pp. -. https://doi.org/10.1103/PhysRevLett.100.126403

APA

Cheianov, V., & Pustilnik, M. (2008). Threshold singularities in the dynamic response of gapless integrable models. Physical review letters, 100(12), -. Article 126403. https://doi.org/10.1103/PhysRevLett.100.126403

Vancouver

Cheianov V, Pustilnik M. Threshold singularities in the dynamic response of gapless integrable models. Physical review letters. 2008 Mar 28;100(12):-. 126403. doi: 10.1103/PhysRevLett.100.126403

Author

Cheianov, Vadim ; Pustilnik, Michael. / Threshold singularities in the dynamic response of gapless integrable models. In: Physical review letters. 2008 ; Vol. 100, No. 12. pp. -.

Bibtex

@article{d0039a185da54c91b58cb64ab222f577,
title = "Threshold singularities in the dynamic response of gapless integrable models",
abstract = "We develop a method of an asymptotically exact treatment of threshold singularities in dynamic response functions of gapless integrable models. The method utilizes the integrability to recast the original problem in terms of the low-energy properties of a certain deformed Hamiltonian. The deformed Hamiltonian is local; hence, it can be analyzed using the conventional field theory methods. We apply the technique to spinless fermions on a lattice with nearest-neighbors repulsion, and evaluate the exponent characterizing the threshold singularity in the dynamic structure factor.",
author = "Vadim Cheianov and Michael Pustilnik",
year = "2008",
month = mar,
day = "28",
doi = "10.1103/PhysRevLett.100.126403",
language = "English",
volume = "100",
pages = "--",
journal = "Physical review letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "12",

}

RIS

TY - JOUR

T1 - Threshold singularities in the dynamic response of gapless integrable models

AU - Cheianov, Vadim

AU - Pustilnik, Michael

PY - 2008/3/28

Y1 - 2008/3/28

N2 - We develop a method of an asymptotically exact treatment of threshold singularities in dynamic response functions of gapless integrable models. The method utilizes the integrability to recast the original problem in terms of the low-energy properties of a certain deformed Hamiltonian. The deformed Hamiltonian is local; hence, it can be analyzed using the conventional field theory methods. We apply the technique to spinless fermions on a lattice with nearest-neighbors repulsion, and evaluate the exponent characterizing the threshold singularity in the dynamic structure factor.

AB - We develop a method of an asymptotically exact treatment of threshold singularities in dynamic response functions of gapless integrable models. The method utilizes the integrability to recast the original problem in terms of the low-energy properties of a certain deformed Hamiltonian. The deformed Hamiltonian is local; hence, it can be analyzed using the conventional field theory methods. We apply the technique to spinless fermions on a lattice with nearest-neighbors repulsion, and evaluate the exponent characterizing the threshold singularity in the dynamic structure factor.

UR - http://www.scopus.com/inward/record.url?scp=41549151087&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.100.126403

DO - 10.1103/PhysRevLett.100.126403

M3 - Journal article

VL - 100

SP - -

JO - Physical review letters

JF - Physical review letters

SN - 0031-9007

IS - 12

M1 - 126403

ER -