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Rotational-state dependence of interactions between polar molecules

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Etienne F. Walraven, Tijs Karman

Atomic Physics · Submitted 11 Jan 2024

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim We show that where molecules are in rotational states that differ by more than one quantum, they exhibit repulsive van der Waals interactions.

how it is stated · asserted 1.00 read the record →

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arXiv ID2401.05958 (version 4)
Pith ID52KHYEGA, Pith's permanent record of this paper and its review
CitationEtienne F. Walraven, Tijs Karman. "Rotational-state dependence of interactions between polar molecules." arXiv:2401.05958 (2024). https://pith.science/paper/52KHYEGA
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The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13.0 via TypeSafe API, question bank abstract-p1-20260923, 2026-09-23: 1 request, 4,795 input tokens.

What the abstract itself states, as probabilities: claims first 0.05 · states limitation 0.11 · human participants 0.01 · controlled comparison 0.06 · randomized assignment 0.01 · states quantitative result 0.50 · compares with prior results 0.45 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v4. Results and the main claim are underlined; .

The long-range electrostatic interactions between molecules depend strongly on their relative orientation, which manifests as a rotational state dependence. Interactions between molecules in the same rotational quantum state are well-known attractive rotational van der Waals interactions. Interactions in rotational states that differ by one quantum show resonant dipole-dipole interactions. We show that where molecules are in rotational states that differ by more than one quantum, they exhibit repulsive van der Waals interactions. At temperatures below a millikelvin, this effect can reduce collisional loss by multiple orders of magnitude. These repulsive interactions lead to applications in quantum simulation and impurity physics with ultracold polar molecules.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 The long-range electrostatic interactions between molecules depend strongly on their relative orientation, which manifests as a rotational state dependence. background 1.00 0.06 0.07 asserted 1.00
s1 Interactions between molecules in the same rotational quantum state are well-known attractive rotational van der Waals interactions. background 1.00 0.05 0.05 asserted 1.00
s2 Interactions in rotational states that differ by one quantum show resonant dipole-dipole interactions. background 0.96 0.10 0.08 asserted 1.00
s3 We show that where molecules are in rotational states that differ by more than one quantum, they exhibit repulsive van der Waals interactions. result 0.91 0.91 0.74 asserted 1.00
s4 At temperatures below a millikelvin, this effect can reduce collisional loss by multiple orders of magnitude. interpretation 0.58 0.67 0.11 hedged possibility 0.51
s5 These repulsive interactions lead to applications in quantum simulation and impurity physics with ultracold polar molecules. interpretation 0.98 0.28 0.12 asserted 1.00

What kind of paper the classifier reports this is: theoretical result 0.66 · evidence from observation or experiment 0.41.

What was examined, and what was not

sources read
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  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
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  • P abstract
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  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

The long-range electrostatic interactions between molecules depend strongly on their relative orientation, which manifests as a rotational state dependence. Interactions between molecules in the same rotational quantum state are well-known attractive rotational van der Waals interactions. Interactions in rotational states that differ by one quantum show resonant dipole-dipole interactions. We show that where molecules are in rotational states that differ by more than one quantum, they exhibit repulsive van der Waals interactions. At temperatures below a millikelvin, this effect can reduce collisional loss by multiple orders of magnitude. These repulsive interactions lead to applications in quantum simulation and impurity physics with ultracold polar molecules.

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