Pith Number

pith:2GA4JQK2

pith:2026:2GA4JQK2NSAESJDRNB32FKAWP4

not attested not anchored not stored refs pending

Quantum Beats in Many-Body Localized Systems

Antonio \v{S}trkalj, Bernard Faulend, Hrvoje Buljan

In quasiperiodic many-body localized systems, slow dynamics arise from modulation of Rabi oscillation amplitudes in single-particle hoppings.

arxiv:2603.28721 v3 · 2026-03-30 · cond-mat.dis-nn · cond-mat.mes-hall · cond-mat.quant-gas

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The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

We identify the modulation of the Rabi oscillation amplitude of single-particle hoppings as the mechanism underlying the slow growth even deep in the MBL regime. This quantum amplitude modulation and associated beats arise from the interaction between single-particle hopping processes at different positions in the chain.

C2weakest assumption

That the identified amplitude-modulation mechanism remains dominant and is not weakened by increasing inter-particle distance, and that the analytical model derived from it captures the full dynamics without post-hoc parameter adjustments that could mask discrepancies with the numerical data.

C3one line summary

Modulation of single-particle Rabi oscillation amplitudes due to position-dependent hopping interactions causes slow dynamics in quasiperiodic MBL systems, captured by a new analytical model consistent with MBL phase stability.

Formal links

2 machine-checked theorem links

Receipt and verification

First computed	2026-07-21T02:21:34.633704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d181c4c15a6c804924716877a2a8167f0470844283274a92122667db7ef3d8b6

Aliases

arxiv: 2603.28721 · arxiv_version: 2603.28721v3 · doi: 10.48550/arxiv.2603.28721 · pith_short_12: 2GA4JQK2NSAE · pith_short_16: 2GA4JQK2NSAESJDR · pith_short_8: 2GA4JQK2

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2GA4JQK2NSAESJDRNB32FKAWP4 \
  | 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: d181c4c15a6c804924716877a2a8167f0470844283274a92122667db7ef3d8b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebf9621f262f0a479b6a869459c6df724a075b6e3745eaa253ba481c78b26618",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.quant-gas"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2026-03-30T17:37:06Z",
    "title_canon_sha256": "ea9066bd587cde17d7b17eb77edde50a88e70c774fdd25084e1b1ee4b6fdf64f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.28721",
    "kind": "arxiv",
    "version": 3
  }
}