WIGNER CRYSTAL I

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Table of Contents

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CRYSTAL

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?? RIGIDITY IN 2D??

Melting

Melting - signatures

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BASIC PROPERTIES OF 2DES

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T=0: Point Particles in 2- D 

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PHASE DIAGRAM OF 2D ELECTRON SYSTEM

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ELECTRONS ON DIELECTRIC SUBSTRATE

ELECTRONS ON HELIUM

2D OR NOT 2D ? 

MAKING THE SAMPLE

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RECOGNIZING A 2D ELECTRON CRYSTAL

COLLECTIVE EXCITATIONS IN 2DES

COLLECTIVE EXCITATIONS IN 2D SOLID

DETECTING THE SHEAR MODE

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COUPLING TO TRANSVERSE MODE

DETECTION TECHNIQUE

OBSERVATION OF PROPAGATING SHEAR MODE

MELTING OF 2D ELECTRON SOLID

MELTING MECHANISM ? 

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SPECIFC HEAT

TOOLS FOR SPECIFIC HEAT MEASUREMENT

ELECTRON THERMOMETER

Thermometer mode

Normal modes of electron-helium coupled system

HEATER

HEATER MODES

THERMALIZATION TIME

MEASUREMENT PRINCIPLE

IS THE EXPERIMENT FEASIBLE

DETECTION

RESULTS

SPECIFIC HEAT

LATENT HEAT MEASUREMENT

EXPERIMENT

SEARCH FOR LATENT HEAT

RESULTS

SUMMARY

WHAT NEXT ?

CAN WE REACH nw ?

Email: eandrei@physics.rutgers.edu 

Home Page: www.physics.rutgers.edu/~eandrei/