Publications

33.
From pure to mixed: Altermagnets as intrinsic symmetry-breaking indicators
A. Ramires
Phys. Rev. B 110, L180503 (2024)
arXiv:2502.19162, opens an external URL in a new window

32.
Still mystery after all these years -- Unconventional superconductivity of Sr2RuO4 --
Y. Maeno, S. Yonezawa, A. Ramires
invited review paper for J. Phys. Soc. Jpn
arXiv:2402.12117, opens an external URL in a new window, DOI:10.7566/JPSJ.93.062001, opens an external URL in a new window

31.
Ferromagnetic quantum critical point in a locally noncentrosymmetric and nonsymmorphic Kondo metal
S. Shin, A. Ramires, V. Pomjakushin, I. Plokhikh, E. Pomjakushina
Nat Commun 15, 8423 (2024)
arXiv:2309.12497, opens an external URL in a new window, DOI:10.1038/s41467-024-52720-9, opens an external URL in a new window

30.
Superconductivity-induced improper orders
A. Szabo, A. Ramires
arXiv:2309.05664, opens an external URL in a new window, DOI:10.1103/PhysRevB.110.L180503, opens an external URL in a new window

29.
Decoding the drive-bath interplay: A guideline to enhance superconductivity
R. Lin, A. Ramires, R. Chitra
Phys. Rev. Lett. 133, 086001 (2024)
arXiv:2306.02861, opens an external URL in a new window, DOI:10.1103/physrevlett.133.086001, opens an external URL in a new window

28.
Rotation of gap nodes in the topological superconductor Cux(PbSe)5(Bi2Se3)6
M. Bagchi, J. Brede, A. Ramires, Y. Ando
Phys. Rev. B 109, 104507 (2024)
arXiv:2305.16732, opens an external URL in a new window, DOI:10.1103/PhysRevB.109.104507, opens an external URL in a new window

27.
In-plane magnetic penetration depth in Sr2RuO4: muon-spin rotation/relaxation study
R. Khasanov, A. Ramires, V. Grinenko, I. Shipulin, N. Kikugawa, D. A. Sokolov, Y. Maeno, H. Luetkens, Z. Guguchia
Phys. Rev. Lett. 131, 236001 (2023)
arXiv:2305.11156, opens an external URL in a new window, DOI:10.1103/PhysRevLett.131.236001, opens an external URL in a new window

26.
μSR measurements on Sr2RuO4 under ⟨110⟩ uniaxial stress
V. Grinenko, R. Sarkar, S. Ghosh, D. Das, Z. Guguchia, H. Luetkens, I. Shipulin, A. Ramires, N. Kikugawa, Y. Maeno, K. Ishida, C.W. Hicks, H.-H. Klauss
Phys. Rev. B 107, 024508 (2023)
arXiv:2301.06810, opens an external URL in a new window, DOI:10.1103/PhysRevB.107.024508, opens an external URL in a new window

25.
Twisted-graphene model draws inspiration from heavy elements
A. Ramires
Nature 608 (7923), 474-475 (2022)
DOI:10.1038/d41586-022-02108-w, opens an external URL in a new window

24.
Symmetry aspects of chiral superconductors
A. Ramires
Contemporary Physics 63 (2), 71-86 (2022)
DOI:10.1080/00107514.2022.2140499, opens an external URL in a new window

23.
Nonunitary Superconductivity in Complex Quantum Materials
A. Ramires
J. Phys.: Condens. Matter 34, 304001 (2022)
arXiv:2202.12178, opens an external URL in a new window, DOI:10.1088/1361-648X/ac6d3a, opens an external URL in a new window

22.
Sensitivity of superconducting states to the impurity location in layered materials
B. Zinkl, A. Ramires
Phys. Rev. B 106, 01451 (2022)
arXiv:2201.05045, opens an external URL in a new window, DOI:10.1103/PhysRevB.106.014515, opens an external URL in a new window

21.
The effects of strain in multi-orbital superconductors: the case of Sr2RuO4
S. Beck, A. Hampel, M. Zingl, C. Timm, A. Ramires
Phys. Rev. Research 4, 023060 (2022)
arXiv:2111.13506, opens an external URL in a new window, DOI:10.1103/PhysRevResearch.4.023060, opens an external URL in a new window

20.
Nodal gaps from local interactions in Sr2RuO4
A. Ramires
J.Phys.: Conf. Ser.2164, 012002 (2022)
arXiv:2110.10621, opens an external URL in a new window, DOI:10.1088/1742-6596/2164/1/012002, opens an external URL in a new window

19.
Designing spin-textured flat bands in twisted graphene multilayers via helimagnet encapsulation
G. Chen, M. Khosravian, J. L. Lado, A. Ramires
2D Mater. 9, 024002 (2022)
arXiv:2109.13130, opens an external URL in a new window, DOI:10.1088/2053-1583/ac4af8, opens an external URL in a new window

18.
Superconductivity in disordered locally noncentrosymmetric materials: an application to CeRh2As2
D. Möckli, A. Ramires
Phys. Rev. B 104, 134517 (2021)
arXiv:2107.09723, opens an external URL in a new window, DOI:10.1103/PhysRevB.104.134517, opens an external URL in a new window

17.
Two scenarios for superconductivity in CeRh2As2
D. Möckli, A. Ramires
Phys. Rev. Research 3, 023204 (2021)
arXiv:2102.09425, opens an external URL in a new window, DOI:10.1103/PhysRevResearch.3.023204, opens an external URL in a new window

16.
Emulating heavy fermions in twisted trilayer graphene
A. Ramires, J. L. Lado
Phys. Rev. Lett. 127, 026401 (2021)
arXiv:2102.03312, opens an external URL in a new window, DOI:10.1103/PhysRevLett.127.026401, opens an external URL in a new window

15.
Stabilizing Even-Parity Chiral Superconductivity in Sr2RuO4
H. G. Suh, H. Menke, P. M. R. Brydon, C. Timm, A. Ramires, D. F. Agterberg
Phys. Rev. Research 2, 032023 (2020)
arXiv:1912.09525, opens an external URL in a new window, DOI:10.1103/PhysRevResearch.2.032023, opens an external URL in a new window

14.
Generalized Anderson's theorem for superconductors derived from topological insulators
L. Andersen, A. Ramires, Z. Wang, T. Lorenz, Y. Ando
Science Advances 6, eaay6502 (2020)
arXiv:1908.08766, opens an external URL in a new window, DOI:10.1126/sciadv.aay6502, opens an external URL in a new window

13.
Frustration can be critical
A. Ramires
Nature Physics 15, 1212-1214 (2019)
DOI: 10.1038/s41567-019-0668-4, opens an external URL in a new window

12.
Superconducting order parameter of Sr2RuO4: a microscopic perspective
A. Ramires, M. Sigrist
Phys. Rev. B 100, 104501 (2019)
arXiv:1905.01288, opens an external URL in a new window, DOI:10.1103/PhysRevB.100.104501, opens an external URL in a new window

11.
Impurity-induced triple point fermions in twisted bilayer graphene
A. Ramires, J. L. Lado
Phys. Rev. B 99, 245118 (2019)
arXiv:1902.05862, opens an external URL in a new window, DOI:10.1103/PhysRevB.99.245118, opens an external URL in a new window

10.
Electrically tunable gauge fields in tiny-angle twisted bilayer graphene
A. Ramires, J. L. Lado
Phys. Rev. Lett. 121, 146801 (2018)
arXiv:1803.04400, opens an external URL in a new window, DOI:10.1103/PhysRevLett.121.146801, opens an external URL in a new window

9.
Tailoring Tc by symmetry principles: The concept of Superconducting Fitness
A. Ramires, D. F. Agterberg, M. Sigrist
Phys. Rev. B 98, 024501 (2018)
arXiv:1802.00361, opens an external URL in a new window, DOI:10.1103/PhysRevB.98.024501, opens an external URL in a new window

8.
The Symplectic Fermi Liquid and its realization in cold atomic systems
A. Ramires
Phys. Rev. A 96, 043604 (2017)
arXiv:1705.04080, opens an external URL in a new window, DOI:10.1103/PhysRevA.96.043604, opens an external URL in a new window

7.
A note on the upper critical field of Sr2RuO4 under strain
A. Ramires, M. Sigrist
J. Phys.: Conf. Ser. 807, 052011 (2017)
arXiv:1606.08709, opens an external URL in a new window, DOI:10.1088/1742-6596/807/5/052011, opens an external URL in a new window

6.
Identifying detrimental effects for multi-orbital superconductivity - Application to Sr2RuO4
A. Ramires, M. Sigrist
Phys. Rev. B 94, 104501 (2016)
arXiv:1605.03827, opens an external URL in a new window, DOI:10.1103/PhysRevB.94.104501, opens an external URL in a new window

5.
Supersymmetric approach to heavy fermion systems
A. Ramires, P. Coleman
Phys. Rev. B 93, 035120 (2016)
arXiv:1508.07861, opens an external URL in a new window, DOI:10.1103/PhysRevB.93.035120, opens an external URL in a new window

4.
Theory of the Electron Spin Resonance in the Heavy Fermion Metal β-YbAlB4
A. Ramires, P. Coleman
Phys. Rev. Lett. 112, 116405 (2014)
arXiv:1307.4109, opens an external URL in a new window, DOI:10.1103/PhysRevLett.112.116405, opens an external URL in a new window

3.
β-YbAlB4: a critical nodal metal
A. Ramires, P. Coleman, A. H. Nevidomskyy, A. M. Tsvelik
Phys. Rev. Lett. 109, 176404 (2012)
arXiv:1207.6441, opens an external URL in a new window, DOI:10.1103/PhysRevLett.109.176404, opens an external URL in a new window

2.
Quantum criticality in inter-band superconductors
A. Ramires, M. A. Continentino
J. Phys.: Condens. Matter 22 485701 (2010)
arXiv:1009.4731, opens an external URL in a new window, DOI:10.1088/0953-8984/22/48/485701, opens an external URL in a new window

1.
Fluctuations in a superconducting quantum critical point of multi-band metals
A. Ramires, M. A. Continentino
J. Phys.: Condens. Matter 23 125701 (2011)
arXiv:1009.2103, opens an external URL in a new window, DOI:10.1088/0953-8984/23/12/125701, opens an external URL in a new window