J. Berges

activity

20242026

collaborators

6 papers

cond-mat.str-el2026

Change in charge density wave order beyond the Lifshitz transition in 2H-Ta\textsubscript{1 $\pm I^´$ }S\textsubscript{2}

Mihir Date, Jan Berges, Enrico Da Como +6

We investigate electronic instabilities in 2H-TaS\textsubscript{2} and a self-intercalated variant, 2H $^{†}$ -Ta\textsubscript{1+ $I^´$ }S\textsubscript{2}. In conventional samples…

cond-mat.mtrl-sci2026

Extraction of the self energy and Eliashberg function from angle resolved photoemission spectroscopy using the xARPES code

Thomas P. van Waas, Christophe Berthod, Jan Berges +3

Angle-resolved photoemission spectroscopy is a powerful experimental technique for studying anisotropic many-body interactions through the electron spectral function. Existing atte…

cond-mat.mtrl-sci2025

Persistence of charge ordering instability to Coulomb engineering in the excitonic insulator candidate TiSe $_{2}$

Sebastian Buchberger, Yann in 't Veld, Akhil Rajan +11

TiSe $_{2}$ has long been considered one of the best candidate materials to host the elusive excitonic insulator (EI) phase. However, a finite coupling to the lattice can generically…

cond-mat.mes-hall2025

Inelastic tunneling into multipolaronic bound states in single-layer MoS $_{2}$

Camiel van Efferen, Laura PÃ¤tzold, Tfyeche Y. Tounsi +12

Polarons are quasiparticles that arise from the interaction of electrons or holes with lattice vibrations. Though polarons are well-studied across multiple disciplines, experimenta…

cond-mat.str-el2025

Phonon fluctuation diagnostics: Origin of charge order in AV $_{3}$ Sb $_{5}$ kagome metals

Stefan Enzner, Jan Berges, Arne Schobert +7

The microsopic origin of the charge-density wave (CDW) in AV $_{3}$ Sb $_{5}$ (A = K, Rb, Cs) kagome metals remains a longstanding question, often revolving around electron-phonon couplin…

cond-mat.supr-con2024

Understanding the origin of superconducting dome in electron-doped MoS $_{2}$ monolayer

We investigate the superconducting properties of molybdenum disulphide (MoS $_{2}$ ) monolayer across a broad doping range, successfully recreating the so far unresolved superconductin…

Change in charge density wave order beyond the Lifshitz transition in 2H-Ta\textsubscript{1±I^´}S\textsubscript{2}

Extraction of the self energy and Eliashberg function from angle resolved photoemission spectroscopy using the xARPES code

Persistence of charge ordering instability to Coulomb engineering in the excitonic insulator candidate TiSe2​

Inelastic tunneling into multipolaronic bound states in single-layer MoS2​

Phonon fluctuation diagnostics: Origin of charge order in AV3​Sb5​ kagome metals

Understanding the origin of superconducting dome in electron-doped MoS2​ monolayer

Change in charge density wave order beyond the Lifshitz transition in 2H-Ta\textsubscript{1 $\pm I^´$ }S\textsubscript{2}

Persistence of charge ordering instability to Coulomb engineering in the excitonic insulator candidate TiSe $_{2}$

Inelastic tunneling into multipolaronic bound states in single-layer MoS $_{2}$

Phonon fluctuation diagnostics: Origin of charge order in AV $_{3}$ Sb $_{5}$ kagome metals

Understanding the origin of superconducting dome in electron-doped MoS $_{2}$ monolayer