2015
DOI: 10.1103/physrevb.92.125443
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Theory of the spin-galvanic effect and the anomalous phase shiftφ0in superconductors and Josephson junctions with intrinsic spin-orbit coupling

Abstract: Due to the spin-orbit coupling (SOC) an electric current flowing in a normal metal or semiconductor can induce a bulk magnetic moment. This effect is known as the Edelstein (EE) or magneto-electric effect. Similarly, in a bulk superconductor a phase gradient may create a finite spin density. The inverse effect, also known as the spin-galvanic effect, corresponds to the creation of a supercurrent by an equilibrium spin polarization. Here, by exploiting the analogy between a linear-in-momentum SOC and a backgrou… Show more

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Cited by 149 publications
(175 citation statements)
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References 153 publications
(206 reference statements)
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“…For Josephson junction the inverse magneto-electric effect is a cause of the anomalous phase shift ϕ 0 , which modifies the current-phase relation according to j = j c sin(ϕ − ϕ 0 ). This is the so called ϕ 0 -junction, and its interpretation in terms of the inverse magneto-electric effect was reported in 46 . It was actively studied recently in half-metal junctions, noncoplanar ferromagnetic junctions, ferromagnetic Josephson junctions with spin orbit interaction or TI surface states [31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48] .…”
Section: Introductionmentioning
confidence: 90%
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“…For Josephson junction the inverse magneto-electric effect is a cause of the anomalous phase shift ϕ 0 , which modifies the current-phase relation according to j = j c sin(ϕ − ϕ 0 ). This is the so called ϕ 0 -junction, and its interpretation in terms of the inverse magneto-electric effect was reported in 46 . It was actively studied recently in half-metal junctions, noncoplanar ferromagnetic junctions, ferromagnetic Josephson junctions with spin orbit interaction or TI surface states [31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48] .…”
Section: Introductionmentioning
confidence: 90%
“…More recently, it was reported in several works on the basis of the lattice numerical calculation 56 , a gauge-covariant analytical approach 46 , and, at last, on the basis of exact Gor'kov technique, that triplet superconductivity can be arXiv:1611.01737v2 [cond-mat.supr-con] 23 Sep 2017 generated in Rashba metals by proximity to a singlet superconductor 57 . However, the Gor'kov equations are of very limited use for inhomogeneous problems.…”
Section: And References Therein) the Ferromagnets Induce Triplet Cormentioning
confidence: 99%
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“…Below we derive analytical expressions for the anomalous and usual Josephson current components in generic trilayer S/F/S structures shown in Fig. 1 using Usadel equations (12) and (13) with boundary conditions (19) and current (20). We calculate the amplitudes of anomalous currents for the structures shown in Fig.…”
Section: -3mentioning
confidence: 99%
“…This effect is referred to as the anomalous Josephson effect (AJE) and takes place only in systems with a broken time-reversal symmetry. The AJE has been predicted in junctions which combine conventional superconductors with magnetism and spinorbital interaction [15][16][17][18][19][20][21][22][23], between unconventional superconductors [24], and between topologically nontrivial superconducting leads [25]. In the presence of magnetic flux piercing the normal interlayer superconducting proximity currents are generated, which naturally leads to a phase shift of the CPR [26,27].…”
Section: Introductionmentioning
confidence: 99%