Excitonic Charge Density Waves in Moire Ladders

Paula Mellado; Javiera Cabezas; Francisco Muñoz

Excitonic Charge Density Waves in Moire Ladders

Paula Mellado
, Javiera Cabezas
, Francisco Muñoz

Facultad de Ingeniería y Ciencias

Producción científica: Contribución a una revista › Artículo de la conferencia › revisión exhaustiva

Resumen

We analyze a half-filled four-band ladder with a relative shift between legs that generates a moire supercell and narrows minibands near the Fermi level. Short-range interactions produce an excitonic incommensurate CDW with a gapped Higgs mode and neutral phasons, whose velocity depends on the mismatch, suggesting an excitonic origin for HfTee.

Idioma original	Inglés
Páginas (desde-hasta)	535-536
Número de páginas	2
Publicación	International Conference on Metamaterials, Photonic Crystals and Plasmonics
Estado	Publicada - 2026
Evento	16th International Conference on Metamaterials, Photonic Crystals and Plasmonics, META 2026 - Dublin, Irlanda Duración: 14 jul 2026 → 17 jul 2026

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title = "Excitonic Charge Density Waves in Moire Ladders",

abstract = "We analyze a half-filled four-band ladder with a relative shift between legs that generates a moire supercell and narrows minibands near the Fermi level. Short-range interactions produce an excitonic incommensurate CDW with a gapped Higgs mode and neutral phasons, whose velocity depends on the mismatch, suggesting an excitonic origin for HfTee.",

keywords = "Incommensurate charge density wave, excitons, ladder, moire, phason",

author = "Paula Mellado and Javiera Cabezas and Francisco Mu{\~n}oz",

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TY - JOUR

T1 - Excitonic Charge Density Waves in Moire Ladders

AU - Mellado, Paula

AU - Cabezas, Javiera

AU - Muñoz, Francisco

PY - 2026

Y1 - 2026

N2 - We analyze a half-filled four-band ladder with a relative shift between legs that generates a moire supercell and narrows minibands near the Fermi level. Short-range interactions produce an excitonic incommensurate CDW with a gapped Higgs mode and neutral phasons, whose velocity depends on the mismatch, suggesting an excitonic origin for HfTee.

AB - We analyze a half-filled four-band ladder with a relative shift between legs that generates a moire supercell and narrows minibands near the Fermi level. Short-range interactions produce an excitonic incommensurate CDW with a gapped Higgs mode and neutral phasons, whose velocity depends on the mismatch, suggesting an excitonic origin for HfTee.

KW - Incommensurate charge density wave

KW - excitons

KW - ladder

KW - moire

KW - phason

UR - https://www.scopus.com/pages/publications/105049534192

M3 - Conference article

AN - SCOPUS:105049534192

SN - 2429-1390

SP - 535

EP - 536

JO - International Conference on Metamaterials, Photonic Crystals and Plasmonics

JF - International Conference on Metamaterials, Photonic Crystals and Plasmonics

T2 - 16th International Conference on Metamaterials, Photonic Crystals and Plasmonics, META 2026

Y2 - 14 July 2026 through 17 July 2026

ER -

Excitonic Charge Density Waves in Moire Ladders

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