Engineering Topological Nodal Line Semimetals in Rashba Spin-Orbit Coupled Atomic Chains
CNR-SPIN, I-84084 Fisciano, Salerno, Italy
Dipartimento di Fisica “E.R. Caianiello”, Università degli Studi di Salerno, Via G. Paolo II, 132, I-84084 Fisciano, Salerno, Italy
Institute for Theoretical Physics, Center for Extreme Matter and Emergent Phenomena, Utrecht University, Princetonplein 5, 3584 CC Utrecht, The Netherlands
Authors to whom correspondence should be addressed.
Received: 30 January 2019 / Revised: 13 February 2019 / Accepted: 15 February 2019 / Published: 16 February 2019
In this paper, we study an atomic chain in the presence of modulated charge potential and modulated Rashba spin-orbit coupling (RSOC) of equal periods. We show that for commensurate periodicities,
with integer n
, the three-dimensional synthetic space obtained by sliding the two phases of the charge potential and RSOC features a topological nodal-line semimetal protected by an anti-unitary particle-hole symmetry. The location and shape of the nodal lines strongly depend on the relative amplitude between the charge potential and RSOC.
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Gentile, P.; Benvenuto, V.; Ortix, C.; Noce, C.; Cuoco, M. Engineering Topological Nodal Line Semimetals in Rashba Spin-Orbit Coupled Atomic Chains. Condens. Matter 2019, 4, 25.
Gentile P, Benvenuto V, Ortix C, Noce C, Cuoco M. Engineering Topological Nodal Line Semimetals in Rashba Spin-Orbit Coupled Atomic Chains. Condensed Matter. 2019; 4(1):25.
Gentile, Paola; Benvenuto, Vittorio; Ortix, Carmine; Noce, Canio; Cuoco, Mario. 2019. "Engineering Topological Nodal Line Semimetals in Rashba Spin-Orbit Coupled Atomic Chains." Condens. Matter 4, no. 1: 25.
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