[1] HBNI, Saha Inst Nucl Phys, 1-AF Bidhannagar, Kolkata 700064, India
[2] Univ Washington, Dept Phys, InQubator Quantum Simulat, Seattle, WA 98195 USA
[3] Natl Taiwan Normal Univ, Dept Phys, 88 Ting Chou Rd, Taipei 116, Taiwan
[4] Univ Bern, Inst Theoret Phys, Albert Einstein Ctr, CH-3012 Bern, Switzerland