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1. Multiband mean-field theory of the $d+ig$ superconductivity scenario in ${\mathrm{Sr}}_2{\mathrm{RuO}}_4$

   https://doi.org/10.1103/PhysRevB.108.014502  

   Yuan, Andrew C; Berg, Erez; Kivelson, Steven A (July 2023, Physical Review B)

   Many seemingly contradictory experimental findings concerning the superconducting state in Sr2RuO4 can be accounted for on the basis of a conjectured accidental degeneracy between two patterns of pairing that are unrelated to each other under the (D4h) symmetry of the crystal: a dx2-y2-wave (B1g) and a gxy(x2-y2)-wave (A2g) superconducting state. In this paper, we propose a generic multiband model in which the g-wave pairing involving the xz and yz orbitals arises from second-nearest-neighbor BCS channel effective interactions. Even if timereversal symmetry is broken in a d + ig state, such a superconductor remains gapless with a Bogoliubov Fermi surface that approximates a (vertical) line node. The model gives rise to a strain-dependent splitting between the critical temperature Tc and the time-reversal symmetry-breaking temperature TTRSB that is qualitatively similar to some of the experimental observations in Sr2RuO4. 

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2. Origin of the orbital polarization of ${\mathrm{Co}}^{2+}$ in ${\mathrm{La}}_2{\mathrm{CoTiO}}_6$ and ( ${\mathrm{LaCoO}}_3{)}_1+{\left({\mathrm{LaTiO}}_3\right)}_1$ : A $\mathrm{DFT}+U$ and DFMT study

   https://doi.org/10.1103/PhysRevB.103.125105  

   Lee, Alex Taekyung; Park, Hyowon; Ismail-Beigi, Sohrab (March 2021, Physical Review B)

   null (Ed.)
3. Measurement of the hyperfine coupling constants and absolute energies of the $12s {}^2{S}_{1/2}, 13s {}^2{S}_{1/2}$ , and $11d {}^2{D}_J$ levels in atomic cesium

   https://doi.org/10.1103/PhysRevA.105.022819  

   Quirk, Jonah A; Damitz, Amy; Tanner, Carol E; Elliott, D S (February 2022, Physical Review A)

   We report measurements of the absolute energies of the hyperfine components of the $$12s \ ^2S_{1/2}$$ and $$13s \ ^2S_{1/2}$$ levels of atomic cesium, $$^{133}$$Cs. Using the frequency difference between these components, we determine the hyperfine coupling constants for these states, and report these values with a relative uncertainty of $$\sim$$0.06\%. We also examine the hyperfine structure of the $$11d \ ^2D_{J}$$ ($J=3/2, 5/2$) states, and resolve the sign ambiguity of the hyperfine coupling constants from previous measurements of these states. We also derive new, high precision values for the state energies of the $$12s \ ^2S_{1/2}$$, $$13s \ ^2S_{1/2}$$ and $$11d \ ^2D_{J}$$ states of cesium. 

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4. Phonon mode links ferroicities in multiferroic $\left[{\left({\mathrm{CH}}_3\right)}_2{\mathrm{NH}}_2\right]{\mathrm{Mn}\left(\mathrm{HCOO}\right)}_3$

   https://doi.org/10.1103/PhysRevB.96.180305  

   Hughey, Kendall D.; Clune, Amanda J.; Yokosuk, Michael O.; al-Wahish, Amal; O'Neal, Kenneth R.; Fan, Shiyu; Abhyankar, Nandita; Xiang, Hongjun; Li, Zhiqiang; Singleton, John; et al (November 2017, Physical Review B)
5. Magnetic field-temperature phase diagram of multiferroic $\left[{\left({\mathrm{CH}}_3\right)}_2{\mathrm{NH}}_2\right]\mathrm{Mn}{\left(\mathrm{HCOO}\right)}_3$

   https://doi.org/10.1103/PhysRevB.96.104424  

   Clune, A. J.; Hughey, K. D.; Lee, C.; Abhyankar, N.; Ding, X.; Dalal, N. S.; Whangbo, M.-H.; Singleton, J.; Musfeldt, J. L. (September 2017, Physical Review B)