I. Eremin

activity

20152026

most citedPressure-enhanced splitting of density wave transitions in La

_{3}

_{2}

_{7 - δ}

70 citations · 248 across the 25 of their papers we have counts for

collaborators

26 papers

cond-mat.supr-con2026

Nodal Orbital-Anti-Phase Superconducting State in Bilayer Nickelates

Marius Scholten, Steffen Bötzel, Frank Lechermann +2

The recent discovery of high- $T_{c}$ superconductivity in the bilayer nickelate La $_{3}$ Ni $_{2}$ O $_{7}$ (La-327) under applied pressure and compressive strain opened a new avenue to elucid…

cond-mat.str-el2026

Correlation-assisted spin-selective metallicity in strained and bilayer altermagnets

Marnin J. Di Nunzio, Frank Lechermann, Ilya M. Eremin

Altermagnets combine vanishing net magnetization with a momentum-dependent spin-split electronic structure, providing a route to spin-polarized carriers without ferromagnetism. Her…

cond-mat.str-el2026

Manifest charge-transfer physics in T $^{'}$ -La $_{2}$ NiO $_{4}$

Wiktoria Lewandowski, Steffen Bötzel, Ilya M. Eremin +1

The La $_{2}$ NiO $_{4}$ compound stabilizes in nature in the so-called T structure with octahedral oxygen coordination of the Ni site. Motivated by a similarly existing polymorph for La$…

cond-mat.supr-con2026

Electronic theory for scanning tunneling microscopy spectra in bilayer nickelate thin films

Marius Scholten, Steffen Bötzel, Frank Lechermann +2

Recent Scanning Tunneling Microscopy (STM) experiments measuring the superconducting gap features in thin films of superconducting bilayer nickelates La2PrNi2O7 at ambient pressure…

cond-mat.supr-con2026

Structural symmetry effects on the competition of density waves and superconductivity in bilayer nickelates

Steffen Bötzel, Aiman Al-Eryani, Jun Zhan +4

We investigate the interplay between spin-density-wave (SDW) order and superconductivity in the bilayer nickelate La $_{3}$ Ni $_{2}$ O $_{7}$ using the functional renormalization group~(fRG)…

cond-mat.str-el2026

Density waves in low-pressure bilayer nickelates

Lauro B. Braz, Steffen Bötzel, Frank Lechermann +4

The low-pressure phase diagram of La $_{3}$ Ni $_{2}$ O $_{7}$ provides an important reference for understanding its pressure-induced high-temperature superconductivity. While the spin-densit…

cond-mat.str-el2026

Co-operating multiorbital and nonlocal correlations in bilayer nickelate

Evgeny A. Stepanov, Steffen Bötzel, Ilya M. Eremin +1

The interplay of multiorbital physics and nonlocal self-energy effects is studied within an effective three-orbital model for the high-pressure normal state of superconducting bila…

cond-mat.supr-con2025

Enhanced Superconductivity in Proximity to Peaks in Densities of States

Joshua Althüser, Ilya M. Eremin, Götz S. Uhrig

For the BCS theory of superconductivity, the electron-phonon interaction is transformed to an attractive electron-electron interaction in the vicinity of the Fermi energy only. At…

cond-mat.supr-con2025

Experimental signature of transient symmetry breaking in a cavity superconductor

Siyu Duan, Jingbo Wu, Xiaoqing Jia +5

Transient states of matter far from equilibrium may exhibit physical properties beyond those allowed by the equilibrium-state crystalline symmetries. We explore ultrafast and direc…

cond-mat.supr-con2025★ 6 cited

Enhanced superconductivity in the compressively strained bilayer nickelate thin films by pressure

Qing Li, Jianping Sun, Steffen Boetzel +9

The discovery of high temperature superconductivity in the nickelate system has stimulated enormous interest in the community of condensed matter physics. Recently, superconductivi…

cond-mat.supr-con2025★ 11 cited

Superconducting gap structure and bosonic mode in La2PrNi2O7 thin films at ambient pressure

Shengtai Fan, Mengjun Ou, Marius Scholten +7

The recent discovery of high temperature superconductivity in nickelate systems has generated tremendous interests in the field of superconductivity. The core issue to understand t…

cond-mat.str-el2025

Antiferromagnetism and spin excitations in a two-dimensional non-Hermitian Hatano-Nelson flux model

Eduard Naichuk, Ilya M. Eremin, Jeroen van den Brink +1

The one-dimensional Hatano-Nelson model with non-reciprocal hoppings is a prominent example of a relatively simple non-Hermitian quantum-mechanical system, which allows to study va…

cond-mat.str-el2025

Low-energy perspective of interacting electrons in the normal state of superconducting bilayer nickelate

Frank Lechermann, Steffen Bötzel, Ilya M. Eremin

Developing a low-energy model is essential for understanding unconventional superconductivity in bilayer nickelate La $_{3}$ Ni $_{2}$ O $_{7}$ . Here, we analyze distinct low-energy scenarios…

cond-mat.str-el2024

Interplay of orbital-selective Mott criticality and flat-band physics in La $_{3}$ Ni $_{2}$ O $_{6}$

Frank Lechermann, Steffen Bötzel, Ilya M. Eremin

Superconductivity in nickelates apparently takes place in two different Ni oxidation regimes, namely either for infinite-layer-type compounds close to Ni $^{+}$ , or for Ruddlesden-P…

cond-mat.str-el2024

Collective quantum phases in frustrated arrays of Josephson junctions

M. V. Fistul, O. Neyenhuys, B. Pernack +3

We study collective quantum phases and quantum phase transitions occurring in frustrated sawtooth arrays of small quantum Josephson junctions. Frustration is introduced through the…

cond-mat.supr-con2024★ 5 cited

Theory of potential impurity scattering in pressurized superconducting La $_{3}$ Ni $_{2}$ O $_{7}$

Steffen Bötzel, Frank Lechermann, Takasada Shibauchi +1

Recently discovered high-T $_{c}$ superconductivity in pressurized bilayer nickelate La $_{3}$ Ni $_{2}$ O $_{7}$ (La-327) is believed to be driven by the non-phononic repulsive interaction. Dep…

quant-ph2024★ 1 cited

Quantum dynamics of frustrated Josephson junction arrays embedded in a transmission line: an effective XX spin chain with long-range interaction

Benedikt J. P. Pernack, Mikhail V. Fistul, Ilya M. Eremin

We study theoretically a variety of collective quantum phases occurring in frustrated saw-tooth chains of Josephson junctions embedded in a dissipationless transmission line. The b…

cond-mat.str-el2024★ 34 cited

Electronic instability, layer selectivity and Fermi arcs in La $_{3}$ Ni $_{2}$ O $_{7}$

Frank Lechermann, Steffen Bötzel, Ilya M. Eremin

Using advanced dynamical mean-field theory on a realistic level we study the normal-state correlated electronic structure of the high-pressure superconductor La $_{3}$ Ni $_{2}$ O $_{7}$ and…

cond-mat.supr-con2024★ 70 cited

Pressure-enhanced splitting of density wave transitions in La $_{3}$ Ni $_{2}$ O $_{7 - δ}$

Rustem Khasanov, Thomas J. Hicken, Dariusz J. Gawryluk +9

The observation of superconductivity in La $_{3}$ Ni $_{2}$ O $_{7 - δ}$ under pressure, following the suppression of a high-temperature density wave state, has attracted considerable attenti…

cond-mat.supr-con2024★ 9 cited

Unprecedentedly large gap in HgBa $_{2}$ Ca $_{2}$ Cu $_{3}$ O $_{8 + δ}$ with the highest $T_{c}$ at ambient pressure

Chuanhao Wen, Zhiyong Hou, Alireza Akbari +6

In cuprate superconductors, the highest $T_{c}$ is possessed by the HgBa $_{2}$ Ca $_{2}$ Cu $_{3}$ O $_{8 + δ}$ (Hg-1223) system at ambient pressure, but the reason remains elusive. Here we report…

cond-mat.supr-con2024★ 50 cited

Theory of magnetic excitations in multilayer nickelate superconductor La $_{3}$ Ni $_{2}$ O $_{7}$

Steffen Bötzel, Frank Lechermann, Jannik Gondolf +1

Motivated by the recent reports of high- $T_{c}$ superconductivity in La $_{3}$ Ni $_{2}$ O $_{7}$ under pressure, we analyzed theoretically the magnetic excitations in the normal and the superc…

cond-mat.str-el2023

Revisiting the metal-to-metal transition in $2 H$ -AgNiO $_{2}$

Jannik Gondolf, Ilya Eremin, Frank Lechermann

The layered delafossite compound AgNiO $_{2}$ with $2 H$ stacking symmetry undergoes a structural metal-to-metal transition at $T_{S} \sim 365$ K. It has been described in the past…

cond-mat.mes-hall2023

Persistent current-carrying state of charge quasuparticles in $n p$ -ribbon featuring single Dirac cone

Anatoly M. Kadigrobov, Ilya M. Eremin

The formation of persistent charge currents in mesoscopic systems remains an interesting and actual topic of condensed matter research. Here, we analyze the formation of spontaneou…

quant-ph2023★ 3 cited

Schrieffer-Wolff transformation for non-Hermitian systems: application for $P T$ -symmetric circuit QED

Grigory A. Starkov, Mikhail V. Fistul, Ilya M. Eremin

Combining non-hermiticity and interactions yields novel effects in open quantum many-body systems. Here, we develop the generalized Schrieffer-Wolff transformation and derive the e…

Nodal Orbital-Anti-Phase Superconducting State in Bilayer Nickelates

Correlation-assisted spin-selective metallicity in strained and bilayer altermagnets

Manifest charge-transfer physics in T′-La2​NiO4​

Electronic theory for scanning tunneling microscopy spectra in bilayer nickelate thin films

Structural symmetry effects on the competition of density waves and superconductivity in bilayer nickelates

Density waves in low-pressure bilayer nickelates

Co-operating multiorbital and nonlocal correlations in bilayer nickelate

Enhanced Superconductivity in Proximity to Peaks in Densities of States

Experimental signature of transient symmetry breaking in a cavity superconductor

Enhanced superconductivity in the compressively strained bilayer nickelate thin films by pressure

Superconducting gap structure and bosonic mode in La2PrNi2O7 thin films at ambient pressure

Antiferromagnetism and spin excitations in a two-dimensional non-Hermitian Hatano-Nelson flux model

Low-energy perspective of interacting electrons in the normal state of superconducting bilayer nickelate

Interplay of orbital-selective Mott criticality and flat-band physics in La3​Ni2​O6​

Collective quantum phases in frustrated arrays of Josephson junctions

Theory of potential impurity scattering in pressurized superconducting La3​Ni2​O7​

Quantum dynamics of frustrated Josephson junction arrays embedded in a transmission line: an effective XX spin chain with long-range interaction

Electronic instability, layer selectivity and Fermi arcs in La3​Ni2​O7​

Pressure-enhanced splitting of density wave transitions in La3​Ni2​O7−δ​

Unprecedentedly large gap in HgBa2​Ca2​Cu3​O8+δ​ with the highest Tc​ at ambient pressure

Theory of magnetic excitations in multilayer nickelate superconductor La3​Ni2​O7​

Revisiting the metal-to-metal transition in 2H-AgNiO2​

Persistent current-carrying state of charge quasuparticles in np-ribbon featuring single Dirac cone

Schrieffer-Wolff transformation for non-Hermitian systems: application for PT-symmetric circuit QED

Manifest charge-transfer physics in T $^{'}$ -La $_{2}$ NiO $_{4}$

Interplay of orbital-selective Mott criticality and flat-band physics in La $_{3}$ Ni $_{2}$ O $_{6}$

Theory of potential impurity scattering in pressurized superconducting La $_{3}$ Ni $_{2}$ O $_{7}$

Electronic instability, layer selectivity and Fermi arcs in La $_{3}$ Ni $_{2}$ O $_{7}$

Pressure-enhanced splitting of density wave transitions in La $_{3}$ Ni $_{2}$ O $_{7 - δ}$

Unprecedentedly large gap in HgBa $_{2}$ Ca $_{2}$ Cu $_{3}$ O $_{8 + δ}$ with the highest $T_{c}$ at ambient pressure

Theory of magnetic excitations in multilayer nickelate superconductor La $_{3}$ Ni $_{2}$ O $_{7}$

Revisiting the metal-to-metal transition in $2 H$ -AgNiO $_{2}$

Persistent current-carrying state of charge quasuparticles in $n p$ -ribbon featuring single Dirac cone

Schrieffer-Wolff transformation for non-Hermitian systems: application for $P T$ -symmetric circuit QED