Preprints

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2025-10-16
08:31
[FZJ-2025-04169] Preprint
; ; ; et al
Bond-resolved STM with density-based methods
Bond-resolved STM (BRSTM) is a recent technique that combines the advantages of scanning tunneling microscopy (STM) with the outstanding intramolecular resolution provided by non-contact atomic force microscopy (ncAFM) using a CO-functionalized tips, offering unique insights into molecular interactions at surfaces. In this work, we present a novel and easily implementable approach for simulating BRSTM images, which we have applied to reproduce new experimental BRSTM data of Perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA) on Ag(111), obtained with unprecedented control of tip-sample separation ( 10~pm) [...]
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2025-10-09
13:12

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2025-10-07
15:08
[FZJ-2025-04047] Preprint
; ; ; et al
Beyond-mean-field fluctuations for the solution of constraint satisfaction problems
arXiv () [10.48550/ARXIV.2507.10360]
Constraint Satisfaction Problems (CSPs) lie at the heart of complexity theory and find application in a plethora of prominent tasks ranging from cryptography to genetics. Classical approaches use Hopfield networks to find approximate solutions while recently, modern machine-learning techniques like graph neural networks have become popular for this task. [...]

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2025-10-07
11:24
arXiv [FZJ-2025-04030] Preprint
; ; ; et al
Truncated Variational Hamiltonian Ansatz: efficient quantum circuit design for quantum chemistry and material science
[arXiv:2505.19772v1]
Quantum computing has the potential to revolutionize quantum chemistry and material science by offering solutions to complex problems unattainable with classical computers. However, the development of efficient quantum algorithms that are efficient under noisy conditions remains a major challenge. [...]

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2025-10-07
10:07

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2025-10-07
10:05

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2025-10-07
10:04

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2025-10-07
09:49

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2025-10-07
09:48

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2025-10-07
09:48

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