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Lambda Point

The Lambda point is the temperature below which normal fluid helium (helium I) transitions to superfluid helium II (approximately 2.17 K at 1 atmosphere). The lowest pressure lambda point is at 2.172 K, 0.0497 atm and highest pressure to achieve superfluidity, the "upper point", is at 1.76 K, 29.8 atm.

The point's name derives from the graph (pictured) that results from plotting the specific heat capacity as a function of temperature (for a given pressure in the above range, in the example shown, at 1 atmosphere), which resembles the Greek letter lambda. The specific heat capacity tends towards infinity as the temperature approaches the lambda point.

This is an excerpt from the article Lambda Point from the Wikipedia free encyclopedia. A list of authors is available at Wikipedia.

The point's name derives from the graph (pictured) that results from plotting the specific heat capacity as a function of temperature (for a given pressure in the above range, in the example shown, at 1 atmosphere), which resembles the Greek letter lambda. The specific heat capacity tends towards infinity as the temperature approaches the lambda point.

This is an excerpt from the article Lambda Point from the Wikipedia free encyclopedia. A list of authors is available at Wikipedia.

The article Lambda Point at en.wikipedia.org was accessed 1,261 times in the last 30 days. (as of: 05/07/2014)

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Lambda point - Wikipedia, the free encyclopedia

The Lambda Point is the temperature below which normal fluid helium (helium I) transitions to superfluid helium II (approximately 2.17 K at 1 atmosphere).

en.wikipedia.org/wiki/Lambda_point

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Lambda point refrigerator - Wikipedia, the free encyclopedia

A Lambda Point refrigerator is a device used to cool liquid helium, typically around a superconducting magnet or for low temperature measurements, from ...

en.wikipedia.org/wiki/Lambda_point_refrigerator

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Liquid helium, superfluidity

When helium is cooled to a critical temperature of 2.17 K (called its Lambda Point) , a remarkable discontinuity in heat capacity occurs, the liquid density drops, ...

hyperphysics.phy-astr.gsu.edu/hbase/lhel.html

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lambda point - The Free Dictionary

The temperature at which the transition from helium I to superfluid helium II occurs, approximately 2.19°K. Want to thank TFD for its existence? Tell a friend about ...

www.thefreedictionary.com/lambda+point

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Lambda point - Merriam-Webster Online

the temperature of approximately 2.19° K at which the transition from helium I to helium II takes place —often printed with Greek lambda . This word ...

www.merriam-webster.com/dictionary/lambda%20point

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lambda point (physics) -- Encyclopedia Britannica - Britannica.com

(The transition to the superfluid phase is called the lambda-transition.) The light isotope 3He shows no traces of superfluidity or any other anomalous behaviour ...

www.britannica.com/EBchecked/topic/328522/lambda-point

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lambda point Oxford Reference

The name derives from the shape of the curve of specific heat capacity against temperature, which is shaped like a Greek letter lambda (λ) at this point.

www.oxfordreference.com/view/10.1093/oi/authority.20110803100048851

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Viscosity of Liquid Helium I1 near the Lambda Point? By J. G. DASH

examined in the neighbourhood of the Lambda Point. Arguments are ... the phonon and roton excitations of liquid *He below its Lambda Point temperature T,.

www.tandfonline.com/doi/pdf/10.1080/14786435808565800

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Lambda point | Facebook

Lambda Point. 27 likes · 0 talking about this. The Lambda Point is the temperature below which normal fluid helium (helium I) transitions to superfluid helium II ...

www.facebook.com/pages/Lambda-point/144444165570269

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on the viscosity of liquid helium in the neighbourhood ofthe lambda ...

obtained in the neighbourhood of the lambda-point are only given. These results make it probable that a discontinuity of the viscosity at the lambda- point does ...

www.sciencedirect.com/science/article/pii/S0031891441900216/pdf?md5=4031d95f91e691ea7f67ddb5684c8866&pid=1-s2.0-S0031891441900216-main.pdf&_valck=1

Search results for "Lambda Point"

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Lambda Point in science

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The High Point University Chapter of the Public Relations Student Society of America ... Lambda Pi Eta (LPH), the National Communication Association's honor ...

TRUE Brother: Request from Lifebanc CEO | Lambda Chi Alpha

During this time, I often reflected on my years as a brother and then chapter president (High Alpha) of Lambda Chi Alpha at High Point University in the early ...

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Membership Seniors in the top 15% of the graduating class receive an invitation to join Phi Delta Lambda.

Books on the term Lambda Point

Critical phenomena: proceedings

temperatures were referred to the upper Lambda Point in order to correct for small
changes in the thermometer or the measuring circuit. Points on the lambda curve
were found by warming the sample slowly at constant volume. Because of the ...

Modern Physics for Scientists and Engineers, 4th ed.

The capillary flow rate increases dramatically with decreasing temperature below
the Lambda Point. From M. Zemansky ... The characteristic shape of this curve
gives the transition point of 2.17 K the name “Lambda Point.” From F. London ...

The New Quantum Universe

Lambda (\) point I i 0123 Temperature above absolute zero, K Fig. 7.11 The Lambda Point for liquid helium. This is a peculiar change that occurs at about 2.2
degrees above absolute zero and is evident in this lambda-like curve formed by
these ...

The Physics of a Lifetime: Reflections on the Problems and ...

For instance, the variation of the density of the superfluid component of helium II
near the Lambda Point, corresponding to the temperature Tc = T\, can be written
as ps(T) = const x (T\ — T)2", where the critical value of /3 is close to 1/3, while
the ...

Helium Three

A fascinating account of these early discoveries, and of the extraordinary
behaviour of superfluid 4He below the Lambda Point, can be found in
Mendelssohn (1977), and the proposal that the Lambda Point is closely related to
the Bose-Einstein ...

Development of Google searches

Online sources for the term

Lambda Point

Lambda Point

What is superfluidity?

www.egglescliffe.org.uk/physics/supercond/supfluid/superfluids.html
Blog posts on the term

Lambda Point

Lambda Point

The Lambda Point : 1 | Inquiry Into Inquiry

A note on the title. From long ago discussions with Harvey Davis, one of my math professors at Michigan State. I remember telling him of my interest in the place where algebra, geometry, and logic meet, and he quipped, “Ah yes, the Lambda Point”, punning on the triple point of phase transitions among gaseous, liquid,…

inquiryintoinquiry.com/2013/08/01/the-lambda-point-1/
Implement IF with pure lambda calculus? - Theoretical Computer Science Stack Exchange
cstheory.stackexchange.com/questions/19535/implement-if-with-pure-lambda-calculus

Yet Another Lambda Blog » Cmm pipeline woes

For the last 4 months I have been working on improving compilation of intermediate Cmm language used by GHC. Recently I am noticing some recurring problems in design of the Cmm pipeline.

lambda.jstolarek.com/2013/10/cmm-pipeline-woes/
What's the point of $eta$-conversion in lambda calculus? | Question and Answer

I think I'm not understanding it, but $eta$-conversion looks to me as a $beta$-conversion that does nothing, a special case of $beta$-conversion

qandasys.info/whats-the-point-of-eta-conversion-in-lambda-calculus-5/
‘The Retribution’ and ‘The Vanishing Point’ by Val McDermid | Lambda Literary
www.lambdaliterary.org/reviews/01/23/the-retribution-and-the-vanishing-point-by-val-mcdermid/

[1308.3301] Notes on equivalence of cut-point languages about measure many quantum
automata
arxiv.org/abs/1308.3301

Area students join Alpha Lambda Delta at Ashland University - RSSPump

Fifteen area students recently became members of Alpha Lambda Delta at Ashland University. High school, higher academic

grade-point-average.rsspump.com/?key=20131022184955.area-students-join-alpha-lambda
lambda - How to return the smallest distance to a point? - Stack Overflow
stackoverflow.com/questions/12187593/how-to-return-the-smallest-distance-to-a-point

functional analysis - What is an extreme point? - Mathematics Stack Exchange
math.stackexchange.com/questions/539792/what-is-an-extreme-point

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