A081824 Decimal expansion of conductance quantum in units of S.

7, 7, 4, 8, 0, 9, 1, 7, 2, 9, 8, 6, 3, 6, 5, 0, 6, 4, 6, 6, 8, 0, 8, 2, 3, 3, 2, 3, 3, 0, 8, 7, 6, 3, 9, 4, 3, 5, 8, 7, 2, 8, 6, 0, 4, 7, 6, 7, 3, 3, 7, 0, 9, 1, 9, 5, 6, 3, 8, 3, 8, 3, 0, 3, 1, 6, 0, 7, 3, 5, 4, 7, 7, 5, 7, 4, 1, 3, 9, 4, 7, 6

Offset

-4,1

Comments

Since the May 20, 2019 redefinition of the SI base units, this quantity became a true constant. - Sean A. Irvine, Jun 06 2019

Links

Table of n, a(n) for n=-4..77.

NIST, CODATA Value: conductance quantum

Formula

G0 = 7.748091729*10^-5 S.

G0 = 2*e^2/h = 2 * A081823^2 / A003676. - Sean A. Irvine, Jun 06 2019

Example

7.748 091 7346(25) * 10^-5 S according to CODATA 2010.

Crossrefs

Cf. A081823 (elementary charge e), A003676 (Planck constant h).

Sequence in context: A010513 A225402 A375190 * A199083 A109939 A053011

Adjacent sequences: A081821 A081822 A081823 * A081825 A081826 A081827

Keyword

cons,nonn

Author

Benoit Cloitre, Apr 10 2003

Extensions

Value updated by Ivan Panchenko, Jan 27 2015

Value updated by Sean A. Irvine, Jun 06 2019

Status

approved