Reply to "Comment on 'Weak values and the past of a quantum particle'"

Jonte R Hance; John G Rarity; James A C Ladyman

doi:10.1103/PhysRevResearch.5.048002

Reply to "Comment on 'Weak values and the past of a quantum particle'"

Jonte R Hance^*, John G Rarity, James A C Ladyman^*

^*Corresponding author for this work

Research output: Contribution to journal › Comment/debate (Academic Journal) › peer-review

3 Citations (Scopus)

Abstract

We here reply to a recent comment by Vaidman [Phys. Rev. Res. 5, 048001 (2023)] on our paper [Phys. Rev. Res. 5, 023048 (2023)]. In his Comment, Vaidman first admits that he is just defining (assuming) the weak trace gives the presence of a particle—however, in this case, he should use a term other than presence, as this already has a separate, intuitive meaning other than “where a weak trace is.” Despite this admission, Vaidman then goes on to argue for this definition by appeal to ideas around an objectively existing idea of presence. We show these appeals rely on their own conclusion—that there is always a matter of fact about the location of a quantum particle.

Original language	English
Article number	048002
Number of pages	2
Journal	Physical Review Research
Volume	5
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevResearch.5.048002
Publication status	Published - 8 Nov 2023

Bibliographical note

Funding Information:
J.R.H. acknowledges support from Hiroshima University's Phoenix Postdoctoral Fellowship for Research, and the University of York's EPSRC DTP Grant No. EP/R513386/1. J.R. and J.R.H. acknowledge support from Quantum Communications Hub funded by EPSRC Grants No. EP/M013472/1 and No. EP/T001011/1.

Publisher Copyright:
© 2023 authors. Published by the American Physical Society.

Research Groups and Themes

Centre for Science and Philosophy
QETLabs
Bristol Quantum Information Institute
Photonics and Quantum

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10.1103/PhysRevResearch.5.048002Licence: CC BY

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Weak values and the past of a quantum particle
Hance, J. R., Rarity, J. G. & Ladyman, J. A. C., 21 Apr 2023, In: Physical Review Research. 5, 2, 8 p., 023048.
Research output: Contribution to journal › Article (Academic Journal) › peer-review

Open Access
16 Citations (Scopus)

8031 EP/T001011/1 Quantum Communication Hub via York QComms 2.0
Rarity, J. G. (Principal Investigator)
1/12/19 → 30/11/24
Project: Research

Cite this

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title = "Reply to {"}Comment on 'Weak values and the past of a quantum particle'{"}",

abstract = "We here reply to a recent comment by Vaidman [Phys. Rev. Res. 5, 048001 (2023)] on our paper [Phys. Rev. Res. 5, 023048 (2023)]. In his Comment, Vaidman first admits that he is just defining (assuming) the weak trace gives the presence of a particle—however, in this case, he should use a term other than presence, as this already has a separate, intuitive meaning other than “where a weak trace is.” Despite this admission, Vaidman then goes on to argue for this definition by appeal to ideas around an objectively existing idea of presence. We show these appeals rely on their own conclusion—that there is always a matter of fact about the location of a quantum particle.",

author = "Hance, \{Jonte R\} and Rarity, \{John G\} and Ladyman, \{James A C\}",

note = "Funding Information: J.R.H. acknowledges support from Hiroshima University's Phoenix Postdoctoral Fellowship for Research, and the University of York's EPSRC DTP Grant No. EP/R513386/1. J.R. and J.R.H. acknowledge support from Quantum Communications Hub funded by EPSRC Grants No. EP/M013472/1 and No. EP/T001011/1. Publisher Copyright: {\textcopyright} 2023 authors. Published by the American Physical Society.",

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AU - Hance, Jonte R

AU - Rarity, John G

AU - Ladyman, James A C

N1 - Funding Information: J.R.H. acknowledges support from Hiroshima University's Phoenix Postdoctoral Fellowship for Research, and the University of York's EPSRC DTP Grant No. EP/R513386/1. J.R. and J.R.H. acknowledge support from Quantum Communications Hub funded by EPSRC Grants No. EP/M013472/1 and No. EP/T001011/1. Publisher Copyright: © 2023 authors. Published by the American Physical Society.

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N2 - We here reply to a recent comment by Vaidman [Phys. Rev. Res. 5, 048001 (2023)] on our paper [Phys. Rev. Res. 5, 023048 (2023)]. In his Comment, Vaidman first admits that he is just defining (assuming) the weak trace gives the presence of a particle—however, in this case, he should use a term other than presence, as this already has a separate, intuitive meaning other than “where a weak trace is.” Despite this admission, Vaidman then goes on to argue for this definition by appeal to ideas around an objectively existing idea of presence. We show these appeals rely on their own conclusion—that there is always a matter of fact about the location of a quantum particle.

AB - We here reply to a recent comment by Vaidman [Phys. Rev. Res. 5, 048001 (2023)] on our paper [Phys. Rev. Res. 5, 023048 (2023)]. In his Comment, Vaidman first admits that he is just defining (assuming) the weak trace gives the presence of a particle—however, in this case, he should use a term other than presence, as this already has a separate, intuitive meaning other than “where a weak trace is.” Despite this admission, Vaidman then goes on to argue for this definition by appeal to ideas around an objectively existing idea of presence. We show these appeals rely on their own conclusion—that there is always a matter of fact about the location of a quantum particle.

U2 - 10.1103/PhysRevResearch.5.048002

DO - 10.1103/PhysRevResearch.5.048002

M3 - Comment/debate (Academic Journal)

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JO - Physical Review Research

JF - Physical Review Research

IS - 4

M1 - 048002

ER -

Reply to "Comment on 'Weak values and the past of a quantum particle'"

Abstract

Bibliographical note

Research Groups and Themes

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Research output

Weak values and the past of a quantum particle

Projects

8031 EP/T001011/1 Quantum Communication Hub via York QComms 2.0

Cite this