Effective Field Theory Holographic Principle Holographic Principle: (Cohen-Kaplan-Nelson, PRL1999 In Effective Field Theory, UV Cut-off u is related to the IR Cut-off L due to the limit set by the formation of a black hole 4 LA LM LIV Effective Theory describes all states of system except those already collapsed to a Black Hole Vacuum energy density via quantum fluctuation 2 vac 4 N MAL A uVHolographic Principle: (Cohen-Kaplan-Nelson, PRL1999) In Effective Field Theory, UV Cut-off is related to the IR Cut-off due to the limit set by the formation of a Black Hole Effective Theory describes all states of system except those already collapsed to a Black Hole. Vacuum energy density via quantum fluctuation Effective Field Theory & Holographic Principle