Pith Number

pith:WPNVVH42

pith:2026:WPNVVH42XU2ZBWAOEFSJTYXMWY

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Coupled Topological Interface States and Phonon Molecules in GaAs/AlAs Superlattices

A. Lemaitre, C. Xiang, E. R. Cardozo de Oliveira, K.Papatryfonos, M. Morassi, N. D. Lanzillotti-Kimura, O. Colmegna, S. Sandeep

Concatenating superlattices with alternating topology creates tunable coupled phonon interface states.

arxiv:2605.12635 v1 · 2026-05-12 · cond-mat.mes-hall

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\usepackage{pith}
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Record completeness

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2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

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Claims

C1strongest claim

By concatenating three superlattices with alternating topology, we realize two coupled interface states that hybridize into symmetric and antisymmetric modes, whose splitting can be tuned over tens of gigahertz by varying the reflectivity of the central DBR.

C2weakest assumption

The assumption that the interface states remain strongly localized and their hybridization is dominated by the topological band inversion and central DBR reflectivity, without significant effects from fabrication disorder, interface roughness, or non-topological scattering in the real structures.

C3one line summary

Coupled topological interface states in GaAs/AlAs superlattices form phonon molecules with tunable splitting and narrow minibands.

References

69 extracted · 69 resolved · 0 Pith anchors

[1] Sonakshi Arora, Thomas Bauer, Ren´ e Barczyk, Ewold Verhagen, and L. Kuipers. Di- rect quantification of topological protection in symmetry-protected photonic edge states at telecom wavelengths.Light: 2021

[2] G. Arregui, O. Ort´ ız, M. Esmann, C. M. Sotomayor-Torres, C. Gomez-Carbonell, O. Mau- guin, B. Perrin, A. Lemaˆ ıtre, P. D. Garc´ ıa, and N. D. Lanzillotti-Kimura. Coherent gen- eration and detection 2019

[3] J.K. Asb´ oth, L. Oroszl´ any, and A. P´ alyi.A Short Course on Topological Insulators. Number 919 in Lecture Notes in Physics. Springer, 2016 2016

[4] F. Bencivenga, R. Mincigrucci, F. Capotondi, L. Foglia, D. Naumenko, A. A. Maznev, E. Pedersoli, A. Simoncig, F. Caporaletti, V. Chiloyan, R. Cucini, F. Dallari, R. A. Duncan, T. D. Frazer, G. Gaio, A 2019

[5] Snowflake phononic topological insulator at the nanoscale.Phys 2018

Formal links

2 machine-checked theorem links

Receipt and verification

First computed	2026-05-18T03:10:00.105213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3db5a9f9abd3590d80e216499e2ecb6060f9d1c103222da6ba860db16d70a47

Aliases

arxiv: 2605.12635 · arxiv_version: 2605.12635v1 · doi: 10.48550/arxiv.2605.12635 · pith_short_12: WPNVVH42XU2Z · pith_short_16: WPNVVH42XU2ZBWAO · pith_short_8: WPNVVH42

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WPNVVH42XU2ZBWAOEFSJTYXMWY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b3db5a9f9abd3590d80e216499e2ecb6060f9d1c103222da6ba860db16d70a47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1cbbc241508549e1ae135931e2fa5028751784ddfb3deb47b7e4fa6915e60a2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2026-05-12T18:23:59Z",
    "title_canon_sha256": "c0654b519e58e00c04154e48f3ab22abc9e8a72ae29a10664b4796aa0766399e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.12635",
    "kind": "arxiv",
    "version": 1
  }
}