Abstract
The nonanalytic behavior of /sup 3/He-A at T = 0 K is discussed. The textual free energy due to order-parameter spatial variation is studied in q space. It is show that the gradient expansion does not hold at T = 0 K, because the free energy involves q/sup 2/ in q. The logarithmic terms are estimated in leading order. It is also shown that even in a uniform texture, normal current along the l vector exists at T = 0 K. This comes from the fact the Landau criterion of superfluidity is partly violated in /sup 3/He-A.
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