Spin-orbit-coupled depairing of a dipolar biexciton superfluid

Andreev, S. V.

doi:10.1103/physrevb.103.184503

Cited by 4 publications

(3 citation statements)

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“…Replacement of the commutation relations results in a sign change in Eq. (19). Consistently, the time reversal invariance now dictates that Ω(k) = −Ω(−k), which is the case, in particular, for the Rashba [45] and Dresselhaus [46] SO couplings.…”

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confidence: 79%

“…We suggest that the emergent quantum number is due to conversion of the core spin fluctuations into the peripheric orbital motion by the SO coupling. Possibly the same mechanism underlies the formation of polarized stripes in a resonantly paired superfluid of dipolar excitons [19].…”

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confidence: 97%

“…Both contributions can be regarded as interaction of the boson pseudospin with a momentum-dependent magnetic field. The influence of such effective spin-orbit (SO) coupling on the boson pairing is a challenging question, which has been addressed only scarcely in our recent studies [19].…”

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confidence: 99%

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Pairing of electro-magnetic bosons under spin-orbit coupling

Andreev¹

2021

Preprint

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We discuss pairing of light-matter bosons under effective spin-orbit (SO) coupling in twodimensional semiconductors. The SO coupling is shown to induce dynamical broadening of a twobody bound state. Application of a transverse magnetic field yields the rich Feshbach resonance phenomenology. We predict quantum bosonic halos with a synthetic angular momentum Lz = ±2 . The d-wave-like dressing of the nominally s-wave bound state is induced by SO coupling to the continuum in the open channel. The fundamental properties of the emergent quantum number remain to be explored.

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confidence: 79%

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confidence: 97%