Odd-frequency superconductivity and Meissner effect in the doped topological insulator Bi${}_2$Se${}_3$

Abstract

Doped Bi${}_2$Se${}_3$ is proposed to be a nematic superconductor originating from unusual inter-orbital pairing. We classify all induced superconducting pair correlations in Bi${}_2$Se${}_3$ and discover that intra-orbital odd-frequency pairing dominates over a significant range of frequencies. Moreover, we explore the contributions of even- and odd-frequency pairing to the Meissner effect, including separating intra- and inter-band processes in the response function. Contrary to expectations, and due to inter-band contributions, we find a diamagnetic odd-frequency Meissner effect.

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Cited by in corpus (23)

• Theory of Majorana zero modes in unconventional superconductors
• Proximity-Induced Odd-Frequency Superconductivity in a Topological Insulator
• Superconductivity in spin-$3/2$ systems: symmetry classification, odd-frequency pairs, and Bogoliubov Fermi surfaces
• Floquet engineering bulk odd-frequency superconducting pairs
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• Interplay of finite-energy and finite-momentum superconducting pairing
• Odd-frequency pair density wave correlations in underdoped cuprates
• Controllable odd-frequency Cooper pairs in multi-superconductor Josephson junctions
• Quasiparticle interference as a direct experimental probe of bulk odd-frequency superconducting pairing
• Method to extracting the penetration field in superconductors from DC magnetization data
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• Signatures of odd-frequency pairing in the Josephson junction current noise
• Direct detection of odd-frequency superconductivity via time- and angle-resolved photoelectron fluctuation spectroscopy
• Lifshitz transition in dirty nematic superconductor
• Pauli paramagnetism of triplet Cooper pairs in a nematic superconductor
• Discontinuous Transition to Superconducting Phase
• Odd-frequency pairs and anomalous proximity effect in nematic and chiral states of superconducting topological insulators
• Strain induced spin vortex and Majorana Kramer's pairs in doped topological insulators with nematic superconductivity
• Meissner effect in non-Hermitian superconductors
• $\eta$-pairing on bipartite and non-bipartite lattices
• Interaction between spin and Abrikosov vortices in doped topological insulators
• Anomalous Josephson Hall effect in doped topological insulators with the nematic superconductivity
• Diamagnetic Meissner response of odd-frequency superconducting pairing from quantum geometry