Unconventional Ginzburg-Landau energy: a common origin of novel physics

Kirill Samokhin

doi:10.1117/12.2678426

28 September 2023 Unconventional Ginzburg-Landau energy: a common origin of novel physics

Kirill Samokhin

Proceedings Volume 12656, Spintronics XVI; 126560C (2023) https://doi.org/10.1117/12.2678426
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

One of the most striking features of superconductors without inversion symmetry is the possibility of “helical” nonuniform superconducting states in the presence of a magnetic field or even without any field. Their origin can be traced to the first-order gradient terms in the Ginzburg-Landau energy, known as the Lifshitz invariants. I will review the microscopic mechanisms leading to these terms and also discuss the properties of the resulting nonuniform states. I will also show that the FFLO superconductors conduct electric current in a way which is very different from the usual case and, in particular, may exhibit the superconducting diode effect.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Kirill Samokhin "Unconventional Ginzburg-Landau energy: a common origin of novel physics", Proc. SPIE 12656, Spintronics XVI, 126560C (28 September 2023); https://doi.org/10.1117/12.2678426

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