# BPU11 CONGRESS

August 28, 2022 to September 1, 2022
Serbian Academy of Sciences and Arts – SASA

## Bose-Einstein condensate - Tunneling

S06-CMPSP-221
Aug 30, 2022, 6:00 PM
1h 30m
Restaurant (Serbian Academy of Sciences and Arts)

### Restaurant

#### Serbian Academy of Sciences and Arts

Board: S06-CMPSP-221
Poster presentation S06 Condensed Matter Physics and Statistical Physics

### Speaker

Emilija Pejić (University of Novi Sad, Faculty of Sciences, Department of Physics)

### Description

Bose-Einstein condensate is state of matter that is the future of the quantum computers. One of the crucial properties of Bose-Einstein condensate is quantum tunneling. In this paper are listed previously achieved results by other authors considering the factors that affect tunneling in Bose-Einstein condensate, such as form of interaction between particles, shape of potential well and the form and the dimension of the system [1]. According to Meng et al. who studied two-dimensional honeycomb optical lattice, tunneling occurs in an atractive interaction regime if dipole gap solitons are in-fase and in repulsive interaction regime if dipole gap solitons are out of phase [2]. If the particle experiences gradual change of potential barrier the probability of the excitation is lower [3]. If the particle experiences sudden change of the potential barrier, probability increases. ${^3}$ The further study of the factors that affect tunneling in Bose-Einstein condensate may be conducted in exploring different systems and mixtures of aforementioned condensates.

References
1. X. Zhao et al. , Phys. Rev. A 96, (2017).
2. H. Meng et al., Physica A: Stat. Mech. Appl. 577, 126087 (2021).
3. D. Lindberg et al., arXiv:2110.15298v3 [cond-mat.quant-gas]

### Primary author

Emilija Pejić (University of Novi Sad, Faculty of Sciences, Department of Physics)