NDLI: Note on the natural system of units

Content Provider	Springer Nature Link
Author	Boya, Luis J. Rivera, Cristian Sudarshan, E. C. G.
Copyright Year	2009
Abstract	We propose to substitute Newton’s constant G $_{N}$ for another constant G $_{2}$, as if the gravitational force would fall off with the 1/r law, instead of the 1/r $^{2}$; so we describe a system of natural units with G $_{2}$, c and ℏ. We adjust the value of G $_{2}$ so that the fundamental length L = L $_{Pl}$ is still the Planck’s length and so G $_{N}$ = L × G $_{2}$. We argue for this system as (1) it would express longitude, time and mass without square roots; (2) G $_{2}$ is in principle disentangled from gravitation, as in (2 + 1) dimensions there is no field outside the sources. So G $_{2}$ would be truly universal; (3) modern physics is not necessarily tied up to (3 + 1)-dim. scenarios and (4) extended objects with p = 2 (membranes) play an important role both in M-theory and in F-theory, which distinguishes three (2, 1) dimensions.As an alternative we consider also the clash between gravitation and quantum theory; the suggestion is that non-commutative geometry [x $_{ i }$, x $_{ j }$] = Λ$^{2}$ θ $_{ ij }$ would cure some infinities and improve black hole evaporation. Then the new length Λ shall determine, among other things, the gravitational constant G $_{N}$.
Starting Page	961
Ending Page	968
Page Count	8
File Format	PDF
ISSN	03044289
Journal	Pramana
Volume Number	73
Issue Number	6
e-ISSN	09737111
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-12-20
Publisher Place	India
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Fundamental constants gravitation Astrophysics and Astroparticles Astronomy, Observations and Techniques Physics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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