Pith Number

pith:MQ237KXN

pith:2026:MQ237KXNTPYTKRMS7BSMRKLEKC

not attested not anchored not stored refs pending

Criticality around the Spinodal Point of First-Order Quantum Phase Transitions

Chiao Wang, Fan Zhang, H. T. Quan

First-order quantum phase transitions develop second-order criticality at their spinodal points through an effective projected Hamiltonian.

arxiv:2605.06436 v2 · 2026-05-07 · cond-mat.stat-mech · quant-ph

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\pithnumber{MQ237KXNTPYTKRMS7BSMRKLEKC}

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4 Citations open

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Claims

C1strongest claim

We present a microscopic theory showing that quantum criticality can emerge around the quantum spinodal point of FOQPTs where metastability disappears... Projecting the original Hamiltonian onto this subspace yields an effective Hamiltonian that exhibits a genuine second-order quantum phase transition (SOQPT) and the Kibble-Zurek scaling.

C2weakest assumption

That resonant local excitations dynamically decouple a Hilbert subspace characterized by an emergent discrete translational symmetry, allowing a projection that produces a genuine SOQPT.

C3one line summary

Quantum criticality emerges around the spinodal point of first-order quantum phase transitions via resonant excitations that decouple a subspace, yielding an effective Hamiltonian with second-order quantum phase transition and Kibble-Zurek scaling.

Receipt and verification

First computed	2026-05-27T01:05:56.346146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6435bfaaed9bf1354592f864c8a96450b2db287fc31cc9916878eadbcdb8c24f

Aliases

arxiv: 2605.06436 · arxiv_version: 2605.06436v2 · doi: 10.48550/arxiv.2605.06436 · pith_short_12: MQ237KXNTPYT · pith_short_16: MQ237KXNTPYTKRMS · pith_short_8: MQ237KXN

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MQ237KXNTPYTKRMS7BSMRKLEKC \
  | 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: 6435bfaaed9bf1354592f864c8a96450b2db287fc31cc9916878eadbcdb8c24f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5951e83d84941c46095e387e309a06274a2437202d0d734922e2f03be349645",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2026-05-07T15:36:48Z",
    "title_canon_sha256": "ffec3dda5b586ba7237e3de98a05d733c37812cf5f76c58ead2a053a2c7e9273"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.06436",
    "kind": "arxiv",
    "version": 2
  }
}