Nucleation in a infinitely long pore using the constrained LDFT,one can obtain the nucleation barrier and the morphology of critical nuclei 400 a =2.5 -●-adsor. 300 0- desor bulk -■-adsor. 200 -0- desor. 100 a000 033 3.2 3.1 3.0 -2.9 2.8 Chemcial potentialμ Men,Zhang,and Wang,Phys.Rev.E.79,051602(2009) Nucleation in a infinitely long pore using the constrained LDFT，one can obtain the nucleation barrier and the morphology of critical nuclei -3.3 -3.2 -3.1 -3.0 -2.9 -2.8 -2.7 0 100 200 300 400 Nucleation barrier ∆Ω Chemcial potential µ w=2.5 adsor. desor. bulk adsor. desor. a Men, Zhang, and Wang, Phys. Rev. E. 79, 051602 (2009)