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Phys. Rev. A, 2018, Volume 97, Issue 2, 23626, 11 pages (Mi phra27)  

High-accuracy energy formulas for the attractive two-site Bose–Hubbard model

Igor Ermakovab, Tim Byrnescbdef, Nikolay Bogoliubovga

a ITMO University, Kronverkskiy 49, 197101, St.Petersburg, Russia
b New York University Shanghai, 1555 Century Avenue, Pudong, Shanghai 200122, China
c State Key Laboratory of Precision Spectroscopy, School of Physical and Material Sciences, East China Normal University, Shanghai 200062, China
d NYU-ECNU Institute of Physics at NYU Shanghai, 1555 Century Avenue, Pudong, Shanghai 200122, China
e National Institute of Informatics, 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 101-8430, Japan
f New York University, New York, New York 10003, USA
g St. Petersburg Department, V.A. Steklov Mathematical Institute, Russian Academy of Sciences, Fontanka 27, St. Petersburg, 191023, Russia

Funding Agency Grant Number
Shanghai Research Challenge Fund
NYU Global Seed Grants for Collaborative Research
National Natural Science Foundation of China 61571301
Ministry of Education of China D1210036A
National Natural Science Foundation of China 11650110425
NYU-ECNU Institute of Physics at NYU Shanghai
Science and Technology Commission of Shanghai Municipality 17ZR1443600
China Science and Technology Exchange Center NGA-16-001
Russian Science Foundation 16-11-10218
This work is supported by the Shanghai Research Challenge Fund; New York University Global Seed Grants for Collaborative Research; National Natural Science Foundation of China (61571301); the Thousand Talents Program for Distinguished Young Scholars (D1210036A); the NSFC Research Fund for International Young Scientists (11650110425); NYU-ECNU Institute of Physics at NYU Shanghai; the Science and Technology Commission of Shanghai Municipality (17ZR1443600); and the China Science and Technology Exchange Center (NGA-16-001). I.E. and N.B. would like to thank the Russian Science Foundation (Grant No. 16-11-10218) for financial support.


DOI: https://doi.org/10.1103/PhysRevA.97.023626


Bibliographic databases:

ArXiv: 1708.08696
Document Type: Article
Received: 29.08.2017
Language: English

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