Blood Freezing to Nearly Absolute Zero Temperature: −272.29°C

1981 ◽  
Vol 103 (1) ◽  
pp. 24-26 ◽  
Author(s):  
E. G. Cravalho ◽  
C. E. Huggins ◽  
K. R. Diller ◽  
W. W. Watson
Keyword(s):  
Liquid Helium ◽  
High Vacuum ◽  
Human Erythrocytes ◽  
Absolute Zero ◽  
Zero Temperature ◽  
Normal Range ◽  
Biological Assays ◽  
Intracellular Potassium ◽  
Edta Solution ◽  
2,3 Dpg

Human erythrocytes were collected in ACD anticoagulant, glycerolized with an equal volume of 8.6 M glycerol, 8 percent glucose, 1 percent fructose, and 0.3 percent Na2 EDTA solution, sealed in glass ampules, and frozen to −272.29°C (0.86°K) in liquid helium under high vacuum. Biological assays performed after thawing and three-stage dialysis to remove the glycerol showed less than 1 percent hemolysis. Intracellular potassium, 2,3 DPG, and ATP were within the normal range.

scholarly journals Trapped individual ion at absolute zero temperature

1989 ◽  
Vol 86 (15) ◽  
pp. 5671-5671 ◽  
Author(s):  
N. Yu ◽  
H. Dehmelt ◽  
W. Nagourney
Keyword(s):  
Absolute Zero ◽  
Zero Temperature ◽  
Individual Ion

scholarly journals STG-CT: High-vacuum plume test facility for chemical thrusters

2016 ◽  
Vol 2 ◽  
Author(s):  
Martin Grabe
Keyword(s):  
Liquid Helium ◽  
Molecular Hydrogen ◽  
High Vacuum ◽  
Test Facility ◽  
Plume Flow

The STG-CT, operated by the DLR Institute for Aerodynamics and Flow Technology in Göttingen, is a vacuum facility specically designed to provide and maintain a space-like vacuum environment for researching plume flow and plume impingement from satellite reaction control thrusters. Its unique liquid-helium driven cryopump of 30m2 allows maintaining a background pressure <10^-5 mbar even when molecular hydrogen is a plume constituent.

scholarly journals INTERPLAY BETWEEN QUANTUM PHASE TRANSITIONS AND THE BEHAVIOR OF QUANTUM CORRELATIONS AT FINITE TEMPERATURES

2012 ◽  
Vol 27 (01n03) ◽  
pp. 1345032 ◽  
Author(s):  
T. WERLANG ◽  
G. A. P. RIBEIRO ◽  
GUSTAVO RIGOLIN
Keyword(s):  
Phase Transitions ◽  
Critical Point ◽  
Thermodynamic Limit ◽  
Quantum Discord ◽  
Quantum Phase Transitions ◽  
Quantum Correlations ◽  
Infinite Chain ◽  
Quantum Phase ◽  
Absolute Zero ◽  
Zero Temperature

We review the main results and ideas showing that quantum correlations at finite temperatures (T), in particular quantum discord, are useful tools in characterizing quantum phase transitions (QPT) that only occur, in principle, at the unattainable absolute zero temperature. We first review some interesting results about the behavior of thermal quantum discord for small spin-1/2 chains and show that they already give us important hints of the infinite chain behavior. We then study in detail and in the thermodynamic limit (infinite chains) the thermal quantum correlations for the XXZ and XY models, where one can clearly appreciate that the behavior of thermal quantum discord at finite T is a useful tool to spotlight the critical point of a QPT.

Electronic Excess Energy in Modulated Positive-Background Model

1982 ◽  
Vol 21 ◽  
Author(s):  
H. Yahauchi
Keyword(s):  
Ground State Energy ◽  
Ground State ◽  
State Energy ◽  
Electron Gas ◽  
Alloy System ◽  
Excess Energy ◽  
Absolute Zero ◽  
Background Model ◽  
Zero Temperature ◽  
Modulation Wavelength

ABSTRACTElectronic excess energy of a composition-modulated alloy system at absolute zero temperature is obtained using Hohenberg and Kohn's formula (for the ground-state energy of an inhomogeneous electron gas) in a modulated positive-background model. Dependence of the electronic excess energy on the modulation wavelength is studied. Two leading terms in the excess energy are examined to elucidate the limitation of this model.

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