Pith Number

pith:77CRX53P

pith:2026:77CRX53PJSWBNCEU2AU4OZHOI2

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svPITE: A Python package for the state-vector-based probabilistic imaginary-time evolution algorithm

Pascal Sievers, Satoshi Ejima

The svPITE Python package implements a state-vector version of probabilistic imaginary-time evolution to prepare ground states of quantum systems.

arxiv:2605.07559 v2 · 2026-05-08 · quant-ph · cond-mat.str-el

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Claims

C1strongest claim

We present a Python package for ground-state preparation based on the probabilistic imaginary-time evolution algorithm, with particular focus on its state-vector-based implementation. A standard shot-based simulation is also supported, and results can be benchmarked against exact diagonalisation via a dedicated wrapper. The package enables efficient tuning of initial parameters, facilitating systematic exploration and optimisation of the method's performance. Starting from the prepared ground state, the strong interoperability with other packages further enables real-time evolution and the computation of spectral functions, such as the spin-spin dynamical structure factor.

C2weakest assumption

That the probabilistic imaginary-time evolution algorithm as implemented in the package correctly and efficiently prepares accurate ground states for the quantum systems of interest, and that the provided interoperability and benchmarking features function without significant hidden limitations or errors.

C3one line summary

svPITE is a Python package that provides state-vector and shot-based implementations of probabilistic imaginary-time evolution for quantum ground-state preparation along with parameter tuning and interoperability for dynamical studies.

Formal links

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Receipt and verification

First computed	2026-05-20T00:05:46.490778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffc51bf76f4cac168894d029c764ee46b6061a2d54becb0eed06774e1f1e2803

Aliases

arxiv: 2605.07559 · arxiv_version: 2605.07559v2 · doi: 10.48550/arxiv.2605.07559 · pith_short_12: 77CRX53PJSWB · pith_short_16: 77CRX53PJSWBNCEU · pith_short_8: 77CRX53P

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/77CRX53PJSWBNCEU2AU4OZHOI2 \
  | 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: ffc51bf76f4cac168894d029c764ee46b6061a2d54becb0eed06774e1f1e2803

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e06b3a67534e14ec60f59d6d392a979b44c4ec4d46271d9fcfea4f23814f7530",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-08T10:34:02Z",
    "title_canon_sha256": "9e8a6e8833ebb23e5df71ccf3f1284a4417b7f76de7855df95bfcd0cdd3ef90e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.07559",
    "kind": "arxiv",
    "version": 2
  }
}