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[Fizinfo] BME Elm. Fiz. Szeminárium, nov. 22., Tóth Miklós

From: Janos Asboth <asboth.janos AT ttk.bme.hu>
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Subject: [Fizinfo] BME Elm. Fiz. Szeminárium, nov. 22., Tóth Miklós
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Meghívó

BME Elméleti Fizika Szeminárium,

nov. 22. péntek 10h15,
1111 Bp., Budafoki út 8., BME FIII. magasföldszint 1, szemináriumi szoba

Tóth Miklós (BME Elm. Fiz. Tanszék):
Sine-Gordon model at finite temperature: the method of random surfaces

The sine-Gordon model is a paradigmatic integrable field theory which
provides the low-energy description of various 1D gapped quantum systems.
Due to its integrability, many exact results are available, but its finite
temperature thermodynamics and correlation functions can be challenging to
calculate. We propose [1] the method of random surfaces (MRS), a numerical
approach to compute such physical quantities at finite temperature, and
compare it to other analytical and numerical predictions. With the method
we are also able to calculate the finite temperature multi-point functions,
where such comparisons are no longer possible.

[1]: M. Tóth, J. H. Pixley, D. Szász-Schagrin, G. Takács, M. Kormos,
arXiv:2408.08828

Minden érdeklődőt szeretettel várunk.
Asbóth János,
szemináriumi koordinátor

[Fizinfo] BME Elm. Fiz. Szeminárium, nov. 22., Tóth Miklós, Janos Asboth, 11/20/2024