Physics · Solid State Physics
त्रिविम (three dimensions) में इलेक्ट्रॉनों का परिक्षेपण संबंध (dispersion relation) ε(k) = ℏvFk है, जहाँ vF फर्मी वेग है। यदि कम तापमान (T << TF) पर फर्मी ऊर्जा εF, संख्या घनत्व n पर इस प्रकार निर्भर करती है कि εF(n) ∝ nα, तो α का मान है
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