Impurities and other defects in correlated lattice electrons: Friedel oscillations and interference patterns

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F22%3A00568446" target="_blank" >RIV/68378271:_____/22:00568446 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1103/PhysRevB.105.235129" target="_blank" >https://doi.org/10.1103/PhysRevB.105.235129</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1103/PhysRevB.105.235129" target="_blank" >10.1103/PhysRevB.105.235129</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Impurities and other defects in correlated lattice electrons: Friedel oscillations and interference patterns

Popis výsledku v původním jazyce

We study interference patterns and Friedel oscillations (FO) due to scattering off from two and more localized impurities and scattering off from extended inhomogeneities in the two-dimensional lattice systems of interacting fermions. Correlations between particles are accounted for by using an approximate method based on the real-space dynamical mean-field theory and a homogeneous self-energy approximation where the site-dependent part of the self-energy is neglected. We find that the interference maxima and minima change systematically as we vary the relative distance between the two impurities and the interaction does not shift the position of interference fringes but only reduces their intensities. FO and interference patterns are not present in the Mott insulating phase both in single and many impurity models.

Název v anglickém jazyce

Impurities and other defects in correlated lattice electrons: Friedel oscillations and interference patterns

Popis výsledku anglicky

We study interference patterns and Friedel oscillations (FO) due to scattering off from two and more localized impurities and scattering off from extended inhomogeneities in the two-dimensional lattice systems of interacting fermions. Correlations between particles are accounted for by using an approximate method based on the real-space dynamical mean-field theory and a homogeneous self-energy approximation where the site-dependent part of the self-energy is neglected. We find that the interference maxima and minima change systematically as we vary the relative distance between the two impurities and the interaction does not shift the position of interference fringes but only reduces their intensities. FO and interference patterns are not present in the Mott insulating phase both in single and many impurity models.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10301 - Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2022

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Physical Review B

ISSN

2469-9950

e-ISSN

2469-9969

Svazek periodika

105

Číslo periodika v rámci svazku

23

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

10

Strana od-do

235129

Kód UT WoS článku

000823042800002

EID výsledku v databázi Scopus

2-s2.0-85133700508