W. Kami'nski

Publications34
h-index11
Citations669
Highly Influential Citations26
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Spin-foams for all loop quantum gravity
The simplicial framework of Engle–Pereira–Rovelli–Livine spin-foam models is generalized to match the diffeomorphism invariant framework of loop quantum gravity. The simplicial spin-foams are… Expand
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The flat FRW model in LQC: self-adjointness
The flat Friedman?Robertson?Walker (FRW) model coupled to the massless scalar field according to the improved, background scale-independent version of Ashtekar, Paw?owski and Singh [1] is considered.… Expand
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SL(2,C) Chern–Simons theory, a non-planar graph operator, and 4D quantum gravity with a cosmological constant: Semiclassical geometry
Abstract We study the expectation value of a nonplanar Wilson graph operator in SL ( 2 , C ) Chern–Simons theory on S 3 . In particular we analyze its asymptotic behavior in the double-scaling limit… Expand
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Quantum collapse rules from the maximum relative entropy principle
We show that the von Neumann--Lueders collapse rules in quantum mechanics always select the unique state that maximises the quantum relative entropy with respect to the premeasurement state, subject… Expand
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The EPRL intertwiners and corrected partition function
Do the SU(2) intertwiners parametrize the space of the Engle, Pereira, Rovelli, Livine (EPRL) solutions to the simplicity constraint? What is the complete form of the partition function written in… Expand
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Operator spin foam models
The goal of this paper is to introduce a systematic approach to spin foams. We define operator spin foams, that is foams labelled by group representations and operators, as the main tool. An… Expand
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Complex Surface Diffusion Mechanisms of Cobalt Phthalocyanine Molecules on Ag(100).
We used time-lapsed scanning tunneling microscopy between 43 and 50 K and density functional theory (DFT) to explore the basic surface diffusion steps of cobalt phthalocyanine (CoPc) molecules on the… Expand
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Room temperature discrimination of adsorbed molecules and attachment sites on the Si(111)-7 × 7 surface using a qPlus sensor.
In this paper, we show that simultaneous noncontact atomic force microscopy (nc-AFM) and scanning tunneling microscopy (STM) is a powerful tool for molecular discrimination on the Si(111)-7 × 7… Expand
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Mechanical Response and Energy-Dissipation Processes in Oligothiophene Monolayers Studied with First-Principles Simulations
We present an extensive first-principles study of the interaction between a silicon oxide nanoasperity and a sexithiophene monolayer in order to investigate the individual molecular processes… Expand
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Discretization independence implies non-locality in 4D discrete quantum gravity
The 4D Regge action is invariant under 5?1 and 4?2 Pachner moves, which define a subset of (local) changes of the triangulation. Given this fact, one might hope to find a local path integral measure… Expand
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